The amount of water used by the community is therefore the figure used by the civil engineer when he is designing the sewage system for its minimum rate of flow.

因此，土木工程师设计污水系统时所用的最小流量就是居民区的用水量。

youdao

The amount of water used by the community is therefore the figure used by the civil engineer when he is designing the sewage system for its minimum rate of flow.

因此，土木工程师设计污水系统时所用的最小流量就是居民区的用水量。

youdao