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环境工程专业英语全套课件.PPT

发布：2018-12-20约16.22万字共10页下载文档

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Activated sludge process are used to treat municipal and industrial wastes since they are versatile, flexible, and can be used to produce an effluent of desired quality by varying process parameters. 活性污泥工艺用来处理市政和工业废水，因为它们用途广泛，灵活，而且可以通过改变工艺参数来生产出期望的出水水质。 The process was so-named because it produces

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