“焦炭”造句

焦炭是一种很经济的燃料,可是燃烧后剩下很多灰.
Coke is an economical fuel but it leaves a lot of ash.

焦炭被用作燃料和制造钢铁.
Coke is used as fuel and in making steel.

达比一直在寻找改善铁质的方法，他猛然想到可以不用木炭熔炼，而改用焦炭。
Darby was looking for a way to improve iron when he hit upon the idea of smelting it with coke instead of charcoal.

• #焦炭