sewage preliminary basin
... urban sewage 释义：城市污水 sewage preliminary basin 释义：污水初次沉淀池 water polluted 释义：污水 ...
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大型污水处理厂中初次沉淀池池型选择是重要的。
It is important to select the type of primary sedimentation tank in the design of large wastewater treatment plants.
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