filteraidn.助滤剂filtern.过滤器；滤色镜；滤光器v.过滤；渗透filterablenessn.过滤性(滤过率；可滤性)filter throughvt.滤过filter support漏斗架filtering flow渗流filtered water滤过水filter-papern.滤纸filter reactor滤波电抗器Filtering data筛选数据filter grating滤色光栅filter gallery滤水渠,滤槽

1. In the previous chapter, we described filtration, including the use of filter aids.
   在前一章中，我们讲述了过滤法，包括助滤剂的应用。
2. Diatomite and our diatomite filter aid products derived from Jilin and Inner Mongolia diatomite mining area of quality, quality, price concessions.
   我们的硅藻土及硅藻土助滤剂系列产品取材于吉林和内蒙的优质硅藻土矿区，品质优良，价格优惠。