“焦炭”的英语

“焦炭”的拼音为：jiāo tàn...

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 hi...