污水干管
At last, The construction investment and operational and administrative expenses of intercepting trunk sewer 、 pumping station and sewage farm is calculated and the relation between them is discussed.
最后,本文计算了不同截流倍数时截流干管、提升泵站以及污水处理厂的建设和运行管理费用,探讨了截流倍数与工程的建设和运行管理费用之间的关系。
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