filtering aid的用法和樣例：
例句
- In the previous chapter, we described filtration, including the use of filter aids.
在前一章中，我們講述了過(guò)濾法，包括助濾劑的應用。 - Diatomite and our diatomite filter aid products derived from Jilin and Inner Mongolia diatomite mining area of quality, quality, price concessions.
我們的硅藻土及硅藻土助濾劑系列產(chǎn)品取材于吉林和內蒙的優(yōu)質(zhì)硅藻土礦區，品質(zhì)優(yōu)良，價(jià)格優(yōu)惠。
