设有污水处理设施的房间，当处理构筑物为敞开式时，换气次数大于(　　)。 -题库考试答案搜索网

设有污水处理设施的房间，当处理构筑物为敞开式时，换气次数大于(　　)。

单选题

2021-07-17 22:26

A、5次/小时
B、10次/小时
C、15次/小时
D、30次/小时

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正确答案

D

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标签：建筑工程类公用设备师给水排水公用设备师《给排水》考试练习题

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