wastewater of heating and power stations

例句：

1. 1.The wastewater treatment plant is located in the city center.
   污水处理厂位于市中心。
2. 2. The sewage from the factory needs to be treated before it can be discharged into the river.
   工厂排放的污水需要经过处理才能排入河流。
3. 3. The government has implemented stricter regulations on wastewater discharge.
   政府对废水排放实施了更严格的规定。