High frequency screen - High Frequency Screen Electric/Hydraulic Vibrators - All high frequency screens decks are driven by variable speed hydraulic vibrators (0-4,200 RPM) for optimal screen efficiency and production. Electric vibrators operating at 3600 RPM are available upon request. Directly-Induced Vibration - Applying high speed vibration (3600 - 4200 RPM) directly

 
2ft x 4ft Dillon 3-Deck Screen Make: Dillon Model: 35.2.4.1 Serial: 2732.81 Type: Inclined Screen Condition: Used, Reported in Fair C ID: 1394030 Quote + Astec 2-Deck High Frequency Screen Vibramech M2-67-27 2-Deck Banana Screen. Get chrome

The Multi-Vib high frequency screener is available to screen finer particles due to its unique design. The lineal motion created by the two counter-rotating motors located at the top of the screener provide “lift-and-throw” action and the arc of the screen deck helps convey the material to the discharge chutes. The Multi-Vib high frequency ... A high frequency monitor means more image rendered on your screen per second. Example in hand, if you have a 60 Hertz screen, your screen will refresh its rendered image 60 times per second. If you have a 100 Hertz refresh rate, then your screen will run at 100 Frames Per Second (FPS). The more FPS (or refresh rate) you have, the smoother and ...Our high frequency screens offer producers ideal gradation control from reclaiming fines, decks driven by variable-speed hydraulic vibrators for optimal scre...High speed vibrating screen, high speed wet/dry screen, iron … Usually the screens can be used 1 month. Pleased to say, our SDS high frequency vibrating screen is rather popular among users. Portable 6’ x 18’ High Frequency Screen with Feed Hopper Model: QSI-30-1003. Portable structure, hydraulic power for raising frame and for raising screen. Oversize chutes, thru's hopper, adjustable screen angle, electric vibrators. Feed hopper, genset, cross conveyors.2ft x 4ft Dillon 3-Deck Screen Make: Dillon Model: 35.2.4.1 Serial: 2732.81 Type: Inclined Screen Condition: Used, Reported in Fair C ID: 1394030 Quote + Astec 2-Deck High Frequency Screen Vibramech M2-67-27 2-Deck Banana Screen7.3K views 8 years ago. KPI-JCI and Astec Mobile Screens' high frequency screens are engineered to provide higher production capacities and more efficient sizing when compared to conventional ...All decks are high frequency, driven by electric vibrators operating at 3600 RPM. For optimal screen efficiency and production, variable speed hydraulic vibrators (0-4200 RPM) are available upon request. OPTIONS FOR ALL SCREEN SIZES: Screen Cloth - Various types of screen media are available for multiple applications.2017 ASTEC PTSC 3618VM, Tandem Axle Portable Screen Plant, *Located i Arlington, TX* PEP Vari-Vibe High Frequency Screen, 36" Conveyor, I-Beam Frame, Manual Operated Support Legs, 120 Gal.... TCI - HIGH FREQUENCY SCREENS • TCI High-Frequency Screens are engineered to provide the highest production capabilities in the market. Aggressive vibration (3600RPM) applied directly to screen media allows for higher capacity and more efficient sizing, compared with conventional screens • Standard separations range from ½”to 20MThe High Frequency screener weighs ±1500kg, for the 1500 x 2500mm screen box. Static vertical is 2 x Weight, or 7350N per point. Dynamic Horizontal is 0.2 x Weight, or 735N per point. ELECTRICAL. All motors should run at the same speed and same direction. The screen is fitted with a variable speed drive, one for each pair of motors. TCI High-Frequency Screens are engineered to provide the highest production capabilities in the market. Our full line of portable models and include either electric or hydraulic powered vibration. Jun 26, 2012 · Astec Mobile Screens' product line offers the PEP family of high frequency screens to include the Vari-Vibe® and Duo-Vibe® High Frequency Screens. There are ... They are also used to dewater or dry waste material before disposal. This type of high frequency vibrating equipment only drives the rectangular polyurethane screen panel, while the frame remains fixed. High capacity screening equipment can screen or classify material ranging in sizes from 1/8 inch (3mm) down to 325 mesh.Jun 26, 2012 · Astec Mobile Screens' product line offers the PEP family of high frequency screens to include the Vari-Vibe® and Duo-Vibe® High Frequency Screens. There are ... High speed vibrating screen, high speed wet/dry screen, iron … Usually the screens can be used 1 month. Pleased to say, our SDS high frequency vibrating screen is rather popular among users. High-frequency screen, also known as high-frequency vibrating screen, high-frequency filter screen, has the characteristics of reliable structure, strong excitation force, high screening ...The refresh rate of your display refers to how many times per second the display is able to draw a new image. This is measured in Hertz (Hz). For example, if your display has a refresh rate of 144Hz, it is refreshing the image 144 times per second. When paired with the high frame rates produced by a GPU and CPU working together, this can result ...Sharper separation with low by-pass provided by high-frequency screening reduces the circulating load from approximately 400% (Fig. 13 a) with hydrocyclones to 80% (Fig. 3 b). Although both circuits produce same P 80 of 160 µm, high-frequency fine screen generates more narrowly sized product compared to cyclone (Fig. 14). Another benefit of ...May 8, 2021 · Alienware just invalidated its own high-end esports monitor. Alienware has a new batch of 27-inch monitors it's releasing, but one of them stands out from the rest: the AW2724HF. It's a 27-inch ... Sharper separation with low by-pass provided by high-frequency screening reduces the circulating load from approximately 400% (Fig. 13 a) with hydrocyclones to 80% (Fig. 3 b). Although both circuits produce same P 80 of 160 µm, high-frequency fine screen generates more narrowly sized product compared to cyclone (Fig. 14). Another benefit of ...High-frequency vibrating screens usually operate at an inclined angle, traditionally varying between 0° and 25° and can go up to a maximum of 45°. They should operate with a low stroke and have a frequency ranging from 1500 to 9000 RPM. Frequency in High frequency screen can be fixed or variable.McLanahan's UltraDRY is a skid-mounted Dewatering Screen designed to fit under any brand of sand screw to improve final product dryness. It can also be installed on an inclined orientation with the use of spacer blocks to dewater underflow from a Hydrocyclone or Separator ™ to a drip-free consistency that is stackable, conveyable and ready for immediate sale. Vibrating screens are the most important screening machines primarily utilised in the mineral processing industry. They are used to separate slurry feeds containing solid and crushed ores down to approximately 200μm in size, and are applicable to both perfectly wetted and dried feed. H-Screening offers high frequency fine screen - stakck sizer, linear vibrating screens forJul 29, 2020 · Diagnosing high-frequency hearing loss. Diagnosis of high-frequency hearing loss is made after a hearing test in a sound-treated booth at a hearing clinic. A hearing instrument specialist or audiologist usually will conduct the test. The results are plotted on an audiogram. If a person has high-frequency hearing loss, your audiogram will show a ... Multi-deck High Frequency Screen Manufacturers, Factory, Suppliers From China, Welcomes all abroad close friends and retailers to ascertain collaboration with us. We are going to give you with genuine, high-quality and successful company to satisfy your requirements.2ft x 4ft Dillon 3-Deck Screen Make: Dillon Model: 35.2.4.1 Serial: 2732.81 Type: Inclined Screen Condition: Used, Reported in Fair C ID: 1394030 Quote + Astec 2-Deck High Frequency Screen Vibramech M2-67-27 2-Deck Banana Screen Shaker Screens, Horizontal and Incline Sizing Screens. SIZING SCREENS, SCALPING SCREENS, DEWATERING SCREENS. SCREENS - Horizontal and Incline. M ine T rader.com 814 701 2111. [email protected]. (3) 7x16 Double Deck Horizontal Screen $17,500.00. 5x14 Tabor Single Deck Horizontal Screen $12,500.00. 8x16 Tabor Double Deck Horizontal Screen $16,500.00.Dec 13, 2017 · Would be nice though if there was a way without adjusting xorg.conf or adding a startup script to make this permanent, since also during boot the screen flickers. Somehow on my recent HP Probook 60.01Hz is the default rate and makes my eyes bleed (screen flickers in the dark areas), whilst using 59.93 (2nd available mode listed by xrandr) doesn't. Our screens can tackle the operational demands of modern producers in a fast-paced and rugged environment. Astec mobile screen plants are engineered to deliver high production capacity coupled with convenient mobility. Our screen plants are offered in horizontal and incline configurations, as well as direct feed, scalper and high frequency. Jun 1, 1985 · Barkhuysen (2009), Valine et al. (2009), Dundar et al. (2014) and Mainza (2016) presented case studies from plants where the hydrocyclones were replaced by high-frequency fine screens to close the grinding circuit and highlighted the potential of using high-frequency fine screening to improve circuit capacity through sharper separation. Jul 26, 2022 · The plant’s innovative design and size is the first of its kind for the industry, featuring an 8-foot-wide high frequency screen. Astec’s newest PTSC plant is equipped with an 8’ x 18’ (2.4 x 5.5 m) top deck and an 8’ x 12’ (2.4 x 3.7 m) bottom deck. The patent-pending screen design features externally-mounted vibrators at the ends ... The high frequency vibrating screens usually operates at an inclined. angle, traditionally varying between 0 to 25 degrees and can go up to a maximum of 45 degrees. Besides, it should operate at a low stroke and has a frequency ranging from 1500 - 7200 RPM.J&H provides a full range of sizes from 4′ (101.6 mm) wide x 5′ (127.0 mm) long up to 7′ (177.8 mm) x 25′ (635.0 mm) long, designed in 5′ (127.0 mm) length increments. This provides 20 ft² (1.858 m²) to 175 ft² (16.258 m²) of screening surface for all three decks. More importantly, the high frequency vibration generated by our J&H ...All decks are high frequency, driven by electric vibrators operating at 3600 RPM. For optimal screen efficiency and production, variable speed hydraulic vibrators (0-4200 RPM) are available upon request. OPTIONS FOR ALL SCREEN SIZES: Screen Cloth - Various types of screen media are available for multiple applications. 7.3K views 8 years ago. KPI-JCI and Astec Mobile Screens' high frequency screens are engineered to provide higher production capacities and more efficient sizing when compared to conventional ...Nov 3, 2016 · There are a few old services that the extension can't screen, like Flash, but overall the extension works much like an ad-blocker for ultrasonic tracking. The researchers plan to post their patch ... Feb 12, 2014 · Specificity of the Pennsylvania and high-frequency screens were 97% (95% CI 87-100%) and 49% (95% CI 32-65%) respectively. Current school hearing screens have low sensitivity for detection of ... Latest China HS Code & tariff for high-frequency-screen - Tariff & duty, regulations & restrictions, landed cost calculator, customs data for high-frequency-screen in ETCN. China customs statistics trade data.Many screen manufacturers offer inclined, horizontal, banana, and ultrafine options to best suit the processing requirements. Different types of circulation, such as high-frequency vibration, gyratory motion, and circle-throw vibration, can shift materials in ways that optimize the screening process. Find The Right ScreenNov 8, 2020 · The effect of moisture varies greatly according to other related conditions, such as the following: (1) size at which separation is to be made; (2) frequency and time length of wet coal runs; (3) wet coal and high proportion of fines; (4) wet coal and peak loads; (5) wet coal and high proportion of clay and shale mud. Sep 2, 2022 · Boulder City, Nevada 89005. Phone: (702) 323-7316. Email Seller Video Chat. Astec AMS 3100 Prosizer W/3136 Impact Crusher w/ High Frequency Screen *Remote grizzly control *Bulkhead (to assist with ramp) *Suspended 30" Self Cleaning Magnet *Wireless remote package for r...See More Details. Get Shipping Quotes. To change the refresh rate. Select Start > Settings > System > Display > Advanced display . Next to Choose a refresh rate, select the rate you want. The refresh rates that appear depend on your display and what it supports. Select laptops and external displays will support higher refresh rates.All decks are high frequency, driven by electric vibrators operating at 3600 RPM. For optimal screen efficiency and production, variable speed hydraulic vibrators (0-4200 RPM) are available upon request. OPTIONS FOR ALL SCREEN SIZES: Screen Cloth - Various types of screen media are available for multiple applications. China High-frequency Screen manufacturers - Select 2023 high quality High-frequency Screen products in best price from certified Chinese Screen Machinery, Metal Screen suppliers, wholesalers and factory on Made-in-China.comMar 10, 2023 · How to stop the whining noise your LCD monitor makes. Thankfully, there is a simple workaround within the software controls bundled with most video card drivers. The color adjustment screen in the display characteristics control panel also provides a brightness setting. Using this control reduces the brightness in the video card output. Features. High power four-way ScreenArray® design for maximum output, optimal coverage, and minimum distortion. 1400 watt midrange featuring four 8" Differential Drive® transducers. Large format 4" neodymium, damped titanium diaphragm, high frequency compression driver. 1600 watt low frequency section with two 18" SVG low frequency drivers. Astec Industries’ Materials Solutions Group has launched its newest mobile high frequency screening plant, the GT2612V. The plant features a 2612V Vari-Vibe high frequency screen. The two-deck, 6-ft. x 12-ft. (1.8 x 3.7 m) screen uses a unique rotary tensioning system that allows for some of the quickest screen media changes on the market ...Would be nice though if there was a way without adjusting xorg.conf or adding a startup script to make this permanent, since also during boot the screen flickers. Somehow on my recent HP Probook 60.01Hz is the default rate and makes my eyes bleed (screen flickers in the dark areas), whilst using 59.93 (2nd available mode listed by xrandr) doesn't.7.3K views 8 years ago. KPI-JCI and Astec Mobile Screens' high frequency screens are engineered to provide higher production capacities and more efficient sizing when compared to conventional ...Our high frequency screens offer producers ideal gradation control from reclaiming fines, decks driven by variable-speed hydraulic vibrators for optimal scre...High-frequency screen. High frequency-screens usually employ vibration that is transmitted to the screen at an operating speed of 3,000 rpm. Additionally, a burst cycle, reaching 4,500 rpm, is provided to control screen blinding. This type of screen is used for fine-mesh screen-ing, with deck sizes ranging from 3/16 in. to 325 mesh. Circular ...TCI High-Frequency Screens have the highest screen capacity in the industry for dry, fine material separation. TCI high frequency screens, commonly referred to as "PEP screens", come in a variety of sizes, frequency levels and configurations. Fine material is best separated with high speed and a small stroke.See full list on support.microsoft.com Designed for your specific operation, our Dry Vibrating Screens come in a wide range of sizes ranging from 0.9m to 4.8m wide and up to 11.0m long. They are available in horizontal, multi-slope and inclined versions coupled with single, double and triple deck configurations.Selected models are detailed and used to describe a high frequency screen trials database, to help identify the advantages and disadvantages offered by each model. The database chosen was reported by Mabote [6], and was obtained through high frequency screen trials using a real scale Derrick Stack Sizer. The database is composed of sampling ...In contrast to hydrocyclones, there was little use of screens in grinding circuits due to blinding problems and high surface area requirement. However, the advances in high-frequency mechanisms and screen surfaces with very small apertures have overcome those problems to some extent and the interest in screen classification is then renewed.High Frequency Vibrating Screen is designed based on the principle of self-synchronization of dual motors, and the screen box assembly moves in a linear line. Imported vibration motor (Martin motor or OLI motor) with advanced technology, reliable operation and long trouble-free operation time.2017 ASTEC PTSC 3618VM, Tandem Axle Portable Screen Plant, *Located i Arlington, TX* PEP Vari-Vibe High Frequency Screen, 36" Conveyor, I-Beam Frame, Manual Operated Support Legs, 120 Gal. Electric/Hydraulic Powe...2021 Astec PTSC 2618VM High Frequency Screen. new. Manufacturer: Astec. Vibrating Screen - Double deck PEP Vari-Vibe® high - frequency screen - 6’ x 18’ top deck and 6’ x 12’ bottom deck high - frequency screen s - Top and bottom deck are driven by eleven (11) hydraulic vibrators (0-4200... Alberta, Canada.Contact Us. MIDWESTERN INDUSTRIES, INC. PO Box 810, Massillon, OH 44648 [email protected] Toll Free: 877-474-9464 Holiday Hours September 4th : Closed.The MEV High-Frequency Screener is a rectangular screener that utilizes an elliptical motion to convey material across its screening surface. Available in sizes three-foot by five-foot (3′ x 5′), four-foot by eight-foot (4′ x 8′), and five-foot by ten-foot (5′ x 10′) with the availability of one to five screening decks gives the MEV ...High Frequency Screen, Find Details and Price about Screen Horizontal Screen from High Frequency Screen - Nanchang Mineral Systems Co., Ltd.Portable 6’ x 18’ High Frequency Screen with Feed Hopper Model: QSI-30-1003. Portable structure, hydraulic power for raising frame and for raising screen. Oversize chutes, thru's hopper, adjustable screen angle, electric vibrators. Feed hopper, genset, cross conveyors.Selected models are detailed and used to describe a high frequency screen trials database, to help identify the advantages and disadvantages offered by each model. The database chosen was reported by Mabote [6], and was obtained through high frequency screen trials using a real scale Derrick Stack Sizer. The database is composed of sampling ...Mar 23, 2022 · Generally, a few real-life problems cause screen flashing due to high frequency. People’sPeople’s naked eyes have no flicker feeling for the picture over 60hz, while the design standard of the general LCD screen is basically maintained on this data, so the frequency will not be too high under normal circumstances, but at the same time, the ... High-frequency vibrating screen is usually operated at an inclined angle 0°-25°, up to 45°, and the operating frequency range is 1500-7200r/m. 7. Grizzly Screen. Grizzly screen is often used for pre-screening before coarse and medium crushing of materials. The mesh size is generally >50mm, but sometimes <25mm.In 1951, H. William Derrick Jr. invented the first high-speed screen vibrator. Through this successful innovation, he paved Derrick’s path into the Mining & Industrial market. Derrick continues to develop and manufacture an array of wet and dry, fine particle separation technologies that result in increased product recovery and reduced power ... Used 2010 DELTANK Twin 4' X 8' Dewatering Screen s mounted on a support with a water collection tank complete with electric vibration system and metal screen ing cloth, Dimensions 9'0" wide X 9'3" high X 22' long, ... $37,500 USD. Get financing. Est. $706/mo.Multi-deck High Frequency Screen Manufacturers, Factory, Suppliers From China, Welcomes all abroad close friends and retailers to ascertain collaboration with us. We are going to give you with genuine, high-quality and successful company to satisfy your requirements.Boulder City, Nevada 89005. Phone: (702) 323-7316. Email Seller Video Chat. Astec AMS 3100 Prosizer W/3136 Impact Crusher w/ High Frequency Screen *Remote grizzly control *Bulkhead (to assist with ramp) *Suspended 30" Self Cleaning Magnet *Wireless remote package for r...See More Details. Get Shipping Quotes.Dec 29, 2020 · All high frequency screen decks are driven by variable-speed hydraulic vibrators for optimal screen efficiency and production. Producers save time and money with easy hydraulic screen angle adjustments and our unique rotary tensioning system, which ensures the quickest screen media changes in the market. Find out more. Mar 15, 2020 · Sharper separation with low by-pass provided by high-frequency screening reduces the circulating load from approximately 400% (Fig. 13 a) with hydrocyclones to 80% (Fig. 3 b). Although both circuits produce same P 80 of 160 µm, high-frequency fine screen generates more narrowly sized product compared to cyclone (Fig. 14). Another benefit of ... Selected models are detailed and used to describe a high frequency screen trials database, to help identify the advantages and disadvantages offered by each model. The database chosen was reported by Mabote [6], and was obtained through high frequency screen trials using a real scale Derrick Stack Sizer. The database is composed of sampling ...The High Frequency screener weighs ±1500kg, for the 1500 x 2500mm screen box. Static vertical is 2 x Weight, or 7350N per point. Dynamic Horizontal is 0.2 x Weight, or 735N per point. ELECTRICAL. All motors should run at the same speed and same direction. The screen is fitted with a variable speed drive, one for each pair of motors.VIBFEM HFF Screen for fine screening 50 micron to 20 mm particle size. Applications Segment - High Frequency Screens for fine screening. ·Construction sand. ·Plaster sand. ·M Sand. ·Fertilizer. ·Urea.Jun 18, 2019 · Our high frequency screens offer producers ideal gradation control from reclaiming fines, decks driven by variable-speed hydraulic vibrators for optimal scre... High Frequency Screen, Find Details and Price about Screen Horizontal Screen from High Frequency Screen - Nanchang Mineral Systems Co., Ltd. To change the refresh rate. Select Start > Settings > System > Display > Advanced display . Next to Choose a refresh rate, select the rate you want. The refresh rates that appear depend on your display and what it supports. Select laptops and external displays will support higher refresh rates.The high frequency vibrating screen uses a high-frequency motor, that is, a 2-stage motor (speed is 3000r/min) as the excitation source to destroy the tension of water molecules in the slurry. The high-frequency vibration makes the slurry smaller than the mesh hole pass through the screen and enter the lower layer The screen frame is discharged ... Multi-deck High Frequency Screen Manufacturers, Factory, Suppliers From China, Welcomes all abroad close friends and retailers to ascertain collaboration with us. We are going to give you with genuine, high-quality and successful company to satisfy your requirements.

TCI High-Frequency Screens have the highest screen capacity in the industry for dry, fine material separation. TCI high frequency screens, commonly referred to as "PEP screens", come in a variety of sizes, frequency levels and configurations. Fine material is best separated with high speed and a small stroke. . Fi10

high frequency screen

High Frequency Screen Electric/Hydraulic Vibrators - All high frequency screens decks are driven by variable speed hydraulic vibrators (0-4,200 RPM) for optimal screen efficiency and production. Electric vibrators operating at 3600 RPM are available upon request. Directly-Induced Vibration - Applying high speed vibration (3600 - 4200 RPM) directlyJ&H provides a full range of sizes from 4′ (101.6 mm) wide x 5′ (127.0 mm) long up to 7′ (177.8 mm) x 25′ (635.0 mm) long, designed in 5′ (127.0 mm) length increments. This provides 20 ft² (1.858 m²) to 175 ft² (16.258 m²) of screening surface for all three decks. More importantly, the high frequency vibration generated by our J&H ...2017 ASTEC PTSC 3618VM, Tandem Axle Portable Screen Plant, *Located i Arlington, TX* PEP Vari-Vibe High Frequency Screen, 36" Conveyor, I-Beam Frame, Manual Operated Support Legs, 120 Gal....Dec 1, 2021 · Selected models are detailed and used to describe a high frequency screen trials database, to help identify the advantages and disadvantages offered by each model. The database chosen was reported by Mabote [6], and was obtained through high frequency screen trials using a real scale Derrick Stack Sizer. The database is composed of sampling ... Diagnosing high-frequency hearing loss. Diagnosis of high-frequency hearing loss is made after a hearing test in a sound-treated booth at a hearing clinic. A hearing instrument specialist or audiologist usually will conduct the test. The results are plotted on an audiogram. If a person has high-frequency hearing loss, your audiogram will show a ...They are also used to dewater or dry waste material before disposal. This type of high frequency vibrating equipment only drives the rectangular polyurethane screen panel, while the frame remains fixed. High capacity screening equipment can screen or classify material ranging in sizes from 1/8 inch (3mm) down to 325 mesh.Dec 29, 2020 · All high frequency screen decks are driven by variable-speed hydraulic vibrators for optimal screen efficiency and production. Producers save time and money with easy hydraulic screen angle adjustments and our unique rotary tensioning system, which ensures the quickest screen media changes in the market. Find out more. Mar 15, 2020 · In contrast to hydrocyclones, there was little use of screens in grinding circuits due to blinding problems and high surface area requirement. However, the advances in high-frequency mechanisms and screen surfaces with very small apertures have overcome those problems to some extent and the interest in screen classification is then renewed. Short Description: Fangyuan FY-HVS series Multi-deck High Frequency screen is a wet fine material screening equipment. FY-HVS-1520 High frequency screen is mainly composed of 5-way divider, feeding box, screen box combination, screen mesh, screen frame, undersize collection hopper, undersize collection hopper, water spraying device, long barrel high frequency vibrating motor, etc.Many screen manufacturers offer inclined, horizontal, banana, and ultrafine options to best suit the processing requirements. Different types of circulation, such as high-frequency vibration, gyratory motion, and circle-throw vibration, can shift materials in ways that optimize the screening process. Find The Right ScreenVibrating screens are the most important screening machines primarily utilised in the mineral processing industry. They are used to separate slurry feeds containing solid and crushed ores down to approximately 200μm in size, and are applicable to both perfectly wetted and dried feed. H-Screening offers high frequency fine screen - stakck sizer, linear vibrating screens for Vibrating screening machines with direct excitation of the screen cloth. In contrast to conventional screeners, the vibration in these screening machines is generated by a high-frequency rocker shaft movement directly on the screen cloth. This allows the precise and energy-efficient separation of even the finest and most difficult to screen ...High-frequency screen, also known as high-frequency vibrating screen, high-frequency filter screen, has the characteristics of reliable structure, strong excitation force, high screening ....

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