waste dregs

• 废渣

waste dregs的用法和样例：

例句

1. Wastewater treatment, sludge and solid waste treatment are some areas where we could be of help to you.
   废水处理，废渣和固体废弃物的处理也是我们可以为贵方效力的领域。
2. The technological process for preparing phosphorous acid from the production waste of sodium hypophosphite was described.
   介绍了从次磷酸钠生产废渣中回收提取亚磷酸的工艺。