“熔渣”造句

有的化成气体跑掉了, 有的结成了熔渣.
Some come off in the form of gases, others collected as slag.

关键词: 灰渣、重金属、戴奥辛、熔融技术、熔渣.
Keywords: ash, heavy metal, dioxin, melting technology, slag.

熔渣不会与钢水混在一起吧 ?
Does not that mix with the steel?