英语词汇“percolating filter”的意思、释义、用法解释及翻译-春雷网

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词汇	percolating filter
释义	Definition of percolating filter in English: percolating filter noun A type of filter used in the treatment of sewage, usually after the removal of suspended solids, consisting of a bed of inert, porous material such as crushed rock, through which the sewage is allowed to percolate so that noxious organic matter is removed by aerobic microorganisms. Origin Early 20th century. Definition of percolating filter in US English: percolating filter noun A type of filter used in the treatment of sewage, usually after the removal of suspended solids, consisting of a bed of inert, porous material such as crushed rock, through which the sewage is allowed to percolate so that noxious organic matter is removed by aerobic microorganisms. Origin Early 20th century.
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