论文部分内容阅读
在超化煤矿村庄下实行炮采放顶煤新工艺开采 ,成功地解决了村庄下大量压煤和村庄搬迁经济不可行的问题 ,并确定了该矿在保证地面村庄不受采动影响的合理采留比
The implementation of the new artillery mining technology in the village of Chaohua Coal Mine succeeded in solving the unworkable problem of mass coal pressing and village relocation under the village and determined the reasonableness of the mine in ensuring that the village on the ground is not affected by mining Acquisition ratio