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。
2
The algae in high rate algal pond(HRAP) was cultivated directly in domestic sewage under 0.
采用生活污水对高效藻类塘进行藻类培养驯化，在水深为0。
3
The intensified first level treatment will enhance the removal rate of the pollutants in urban sewage water.