摘要
文章介绍了坚硬煤层回采过程中,采取了超前预裂爆破顶板煤体措施,有效地解决了采空区悬顶、局部瓦斯积聚现象,并且提高了煤炭回收率。
This article introduces that we have take ahead of blasting coal roof measure,soluted goaf hanging,local gas accumulations and increased the coal recovery rate at the process of hard coal mining.
出处
《煤》
2010年第8期26-26,88,共2页
Coal
