multi-coal相关论文
Strip mining is one of the efficient measures to control surface subsidence and mining damage. However, the researches o......
在煤质波动较大的情况下,为了稳定焦炭质量,通过改变配煤方法,采取多煤种小配比配煤,使焦炭质量基本满足了公司炼铁生产的需要.......