The proportion of bituminous coal in mix reached:30% and the coal-to-cokereplacement ratio was increased by 0.1.
实现了混合喷吹30％的烟煤，且取得了煤焦置换比提高0.1的效果。
2
In the Shanming Iron and Steel Works, the process structure was optimized by adopting continous casting, roll in one heat and replacement of coke-oven gas.