sumps
[环境] 池
例句
Sumps and drains.
污水坑和下水道。
Flows in open pump sumps are complex movements with free surface.
式水泵吸水池内流动是具有自由表面的复杂流动。
Sumps use the weight of water and gravity to help soil's natural percolation.
污水坑使用水和重力的重量，以帮助土的自然渗透。
