The easiest way to separate a liquid from a solid? Filtration! Learn how to effectively carry out gravity and vacuum filtrations in this video.
将液体从固体中分开来的最简易方法是什麽?过滤！在此影片中将学习如何有效的用重力过露及真空过滤来进行。
Gravity bag filters load solid waste efficiently and are easily cleaned. These bags are inexpensive, very durable and eliminate the need for post mechanical filtration with many applications.
重力砂滤器可以简单高效的清洁固体废弃物。袋子具有价格低廉、耐用的特点，并可以减少后机械过滤的需要。
According to the principle of composite graded into seepage Wells pits multilayer filter material, water filtration by gravity flow top-down.
按渗井原理级配的复合多层滤料过滤，水按重力自上而下流动。
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