dirt discharge at discharge end

例句：

1. 1. The factory has to ensure that its sewage discharge complies with environmental regulations.
   工厂必须确保其污水排放符合环境法规。
2. 2. The city authorities are working on a plan to reduce the amount of wastewater discharge into the river.
   市政府正在制定计划，以减少流入河流的废水量。
3. 3.The company is facing fines for their failure to properly manage their sewage discharge.
   该公司因未能妥善管理其污水排放而面临罚款。