slag dump

例句：

1. 1.The factory was ordered to clean up its slag dump.
   工厂被命令清理其废渣堆。
2. 2.The slag dump is a hazardous waste site.
   废渣堆是一个危险废物场。
3. 3. The slag dump was filled with toxic chemicals.
   废渣堆里充满了有毒化学物质。