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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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.

youdao