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。

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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。

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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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