timber cofferdam

例句：

1. 1.The timber cofferdam was constructed to protect the river from floods.
   建造木桩围堰是为了保护河流免受洪水侵袭。
2. 2.The timber cofferdam was used to divert the water from the flooded area.
   木桩围堰被用来将洪水从受灾地区转移开。
3. 3. The timber cofferdam was a crucial part of the emergency response plan.
   木桩围堰是紧急响应计划中至关重要的一部分。