a method of smelting iron一种炼铁方法Darby was looking for a way to improve iron when he hit upon the idea of smelting it with coke instead of charcoal.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。Fire provided a means of smelting ores....
a method of smelting iron一种炼铁方法Guimeng alloys, an electric high - carbon, ferromanganese, low ferromanganese smelting sales.硅锰合金 、 电炉高碳 、 锰铁 、 低度锰铁冶炼销售.Main uses: flux for metallurgy, ceramic, glasswork, abrasive substan...