bottom discharge bucket

例句：

1. 1. The bottomdischarge bucket is used to collectwastewater from the plant.
   底部排放桶用于收集工厂的废水。
2. 2. The engineer designeda new bottom discharge bucket for the factory.
   工程师为工厂设计了一个新的底部排放桶。
3. 3.The bottom discharge bucket was filled with dirtywater and dumped into the river.
   底部排放桶被装满了脏水，然后被倾倒进河里。