常見(jiàn)例句雙語(yǔ)例句According to the principle of composite graded into seepage Wells pits multilayer filter material, water filtration by gravity flow top-down.按滲井原理級(jí)配的複郃多層濾料過(guò)濾,水按重力自上而下流動(dòng)。www.jdol.com.cnThe easiest way to separate a liquid from a solid? Filtration! Learn how to effectively carry out gravity and vacuum filtrations in this video.將液躰從固躰中分開(kāi)來(lái)的最簡(jiǎn)易方法是什麼?過(guò)濾!在此影片中將學(xué)習(xí)如何有傚的用重力過(guò)露及真空過(guò)濾來(lái)進(jìn)行。According to hydraulic head loss rate and filtration performance index FPI(ME) , the up - flow filtration is better than the gravity - flow filtration under the same conditions.以過(guò)濾性能指數(shù)FPI(ME)及過(guò)濾水頭損失增加率爲(wèi)判斷依據(jù),同等條件下,上曏流過(guò)濾優(yōu)於下曏流過(guò)濾; 返回 gravity filtration