[das] 下水
![](https://www.godic.net/tmp/wordimg/qfYGV9@xntub@@q@@RAozODWrQsA8=.png)
系统。
sewerage system
[das] 下水
![](https://www.godic.net/tmp/wordimg/qfYGV9@xntub@@q@@RAozODWrQsA8=.png)
![](https://www.godic.net/tmp/wordimg/PgKU7rvMO4STSWovTP9xEIvljU0=.png)
![](https://www.godic.net/tmp/wordimg/C0@@hiytPQPUIKMbhL7u0gmdj0Ok=.png)
。下水
![](https://www.godic.net/tmp/wordimg/qfYGV9@xntub@@q@@RAozODWrQsA8=.png)
系统。
sewerage network, sewerage system, network of sewers
[die] 排水系统。排水设备。脱水设备。
drainage system, drainage plant, sewerage system, sewerage network, dehydration plant
[die] 排污水系统。
foul sewerage, sewerage system