1.This article concludes the test result and production experience of the internal puddler aboutinjecting the bituminous and anthracite mixed coal.
本文归纳了国内炼工作者关于高炉喷吹烟无混合煤试验结果和生产经验。
2.No.39 coal is one of high-metamorphism anthracite with black color and near-metallic luster in which semibright coal and semidull coal are dominant lithetype and there is a little dull coal.