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| English | Chinese |
| activated carbon A powdered, granular or pelleted form of amorphous carbon characterized by a very large surface area per unit volume because of an enormous number of fine pores | 活性炭 (一种粉末状、小颗粒或者丸状的无定形碳。因为有大量的细孔，其每单位体积都具有较大的表面积。) |
| 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 | 活性泥 (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。) |
| activated sludge | 活性的污泥 |
| complete mixing activated sludge process | 完全混合活性污泥法 |
| high-rate activated sludge waste treatment | 高负荷活性污泥废水处理 |