着水板

例句：

1. 1. The engineer designed a new type of drainage board for the construction site.
   工程师设计了一种新型的排水板用于工地。
2. 2. The rainwater was collected and stored in the waterproof drainage board.
   雨水被收集并储存在防水排水板上。
3. 3. The drainage board helped to prevent water from seeping into the foundation of the building.
   排水板帮助防止水分渗入建筑的基础。