In order to improve the operating performance of filter tank and propose the high production water volume, the traditional filter media was replaced by homogeneous particle quartz sand.
目的将快滤池的传统滤层改造为均粒石英砂滤层，为的是改善滤池的工作性能，提高产水量。
Nylon prefilters are widely used in fan filter units, indoor filtration systems, and systems with high air volume.
良好的除尘性，可以广泛用于风机单元，扩散的室内设备及大风量的通风系统中。
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