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短语
activated sludge
生命科学, 环境 ħama attivata; ħama bijoloġika
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
环境 tajn attivat
activated sludge: 3 短语, 1 学科
生命科学3