看来,有一根大废水管从城里直接到这儿来了。
It seems that there is a big waste pipe coming down from the town.
这一系统提供了一个完整的废水管理的综合系统。
The system provides a total and comprehensive system of waste management.
城市废水管网系统中臭气的最常见的发生源主要有下水道总管道和泵站。
The most common emergence of odour comes from the Urban sewage system, mainly in the total pipelines and equipment for treatment.
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