sharp crested weir

例句：

1. 1.The sharp crested weir was designed to control the flow of water during floods.
   尖锐的冠状堤坝设计用来在洪水期间控制水流。
2. 2. The sharp crested weir was a crucial part of the flood control system.
   尖锐的冠状堤坝是防洪系统的关键部分。
3. 3.The sharp crested weir was used to divert the river away from the city center.
   尖锐的冠状堤坝被用来将河流引向市中心以外的地方。