sand sluicing gate

例句：

1. 1. The sand sluicing gate is designed to controlthe flow of water during floods.
   沙坝门设计用来在洪水期间控制水流。
2. 2. The construction of this sand sluicing gate has been delayed dueto unforeseen engineering issues.
   由于未预见到的工程问题，这个沙坝门的建设被推迟了。
3. 3. Thesand sluicing gate isessential for maintaining the stability of the riverbed during heavy rainfall.
   沙坝门对于在大雨期间保持河床稳定至关重要。