处理污水的池子 septic tank
污水的生物分解 biolysis of sewage
污水的机械净化 mechanical treatment of sawage
污水的生物分化 biolysis of sewage
污水的稳定化 stabilization of sewage
减少工厂污水的排放 Reduce plant sewage discharge
污水的净化 clarification of sewage
城市污水的污泥处理 municipal sewage sludge treatment
未经处理的污水 raw sewage ; Untreated sewage
未经净化的污水 raw sewage
垃圾和污水的清理工作还没有完成。
生态学家们认为用消毒剂处理污水的好处是值得怀疑的。
Ecologists argue that the benefits of treating sewage with disinfectants are doubtful.
你看,我们基本上都已经在用曾经在某一点上是污水的水。
You see, we are all already basically drinking water that has at one point been sewage.
Separating our water supply from sewage and learning how to do wastewater treatment was a really important part of reducing infectious diseases.
把净水和污水分开,以及学会污水处理的方法,是减少感染性疾病传播方法中的重要部分
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