powdered activated carbon-activated sludge treatment
...An activated-sludge system 活性污泥系统 powdered activated carbon-activated sludge treatment 粉末活性炭活性污泥法 Anoxic activated sludge-Biological Aerated Filter 缺氧活性污泥 ..
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powdered activated carbon-activated sludge treatment
粉末状活性炭-活性污泥处理
以上为机器翻译结果，长、整句建议使用 人工翻译 。