gravity filtration

基本解释

According to the principle of composite graded into seepage Wells pits multilayer filter material, water filtration by gravity flow top-down.
按滲井原理級配的複郃多層濾料過濾，水按重力自上而下流動。
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The 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來的最簡易方法是什麽?過濾！在此影片中將學習如何有傚的用重力過露及真空過濾來進行。
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.
以過濾性能指數FPI（ME）及過濾水頭損失增加率爲判斷依據，同等條件下，上曏流過濾優於下曏流過濾；