city garbage melting slag

• 城市垃圾熔渣

city garbage melting slag的用法和样例：

例句

1. Can only be built on top of Slag Deposits.
   只能在熔渣淀沉积的顶端上被建造。
2. Some come off in the form of gases,others collected as slag.
   有的化成气体跑掉了，有的结成了熔渣。