sector barrage

例句：

1. 1. The flood control project includes the construction of a sector barrage to divert the river.
   防洪工程包括建设一个扇形水闸来引导河流。
2. 2.The engineers designed the sector barrage with a capacity of 50 million cubic meters per day.
   工程师们设计了一个容量为每天5000万立方米的扇形水闸。
3. 3.The sector barrage is expected to reduce flooding in the low-lying areas during high tides.
   预计扇形水闸将减少在高潮期间低洼地区的洪水。