矿渣堆

例句：

1. 1. The factory has a largeslag pile next to it.
   工厂旁边有一个大矿渣堆。
2. 2. The workerswere busy removing the slag fromthe heap.
   工人们忙着从矿渣堆中清除矿渣。
3. 3. Theslag pile is a hazardous wastedisposal site.
   矿渣堆是一个危险废物处理场所。