sluice channel

例句：

1. 1.The sluice channel is crucial for the water supply system.
   闸门通道对于供水系统至关重要。
2. 2. The construction of the sluice channel has been delayed due to weather conditions.
   由于天气条件，闸门通道的建设被推迟了。
3. 3. The sluice channel was designed to divert floodwaters away from the city center.
   闸门通道的设计是为了将洪水引向城市中心。