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activated sludge | |||
activated sludge Sludge that has been aerated and subjected to bacterial action; used to speed breakdown of organism matter in raw sewage during secondary waste treatment (有细菌作用的充气软泥,用来在废物的二次处理中加快下水道污物中有机物质的分解。) |
活性 泥 : 364 phrases in 18 subjects |