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雨水回收有妙招平时,生活污水基本都通过管道进入污水处理厂,在那里进行处理后达标排放,不会直接流入河中。但遇
Reclaimed rainwater reclamation has a coup, usually domestic sewage into the sewage treatment plant through the pipeline, where the standard discharge after treatment, will not directly into the river. But met