alkali waste liquid

例句：

1. 1. The factory discharged alarge amount of alkaline waste liquidinto the river.
   工厂向河流排放了大量的碱性废液。
2. 2. The alkaline wasteliquid was treated by the wastewater treatmentplant.
   碱性废液被废水处理厂处理。
3. 3. The alkaline waste liquid wasused as a solvent for cleaning oilysurfaces.
   碱性废液被用作清洁油渍表面的溶剂。