试题与答案

室内排水系统的排出管的功能是( )。A.将立管流来的污水排至室外污水管网 B.将卫

题型:单项选择题

题目:

室内排水系统的排出管的功能是( )。

A.将立管流来的污水排至室外污水管网

B.将卫生器具的污水排至立管

C.排出污水中的臭气、毒气

D.整个排水系统的排污起点

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A

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