extensible discharge trough

例句：

1. 1. The new design of the extensible discharge trough significantly improved the efficiency of wastewater treatment.
   新型可扩展排放槽的设计大大提高了废水处理的效率。
2. 2.The engineers designed a new extensible discharge trough to handle the increased volume of industrial wastewater.
   工程师们设计了一种新型的可扩展排放槽来处理工业废水的量增加。
3. 3. The extensible discharge trough is an essential component in the construction of modern wastewater treatment plants.
   可扩展排放槽是现代污水处理厂建设中不可或缺的一部分。