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Application of deep borehole blasting on fully mechanized hard top-coal pre-splitting and gas extrac
[期刊论文] 作者：Liu Jian,Liu Zegong,Xue Junhua,
来源：矿业科学技术学报：英文版 年份：2015
In order to solve the problems of top-coal inadequate destruction and large amounts of gas emission in mining extra thick and hard coal seam,this study investig...
Application of deep borehole blasting on fully mechanized hard top-coal pre-splitting and gas extrac
[期刊论文] 作者：Liu Jian,Liu Zegong,Xue Junhua,Gao Kui,Zhou Wei,,
来源：International Journal of Mining Science and Technology 年份：2015
In order to solve the problems of top-coal inadequate destruction and large amounts of gas emission in mining extra thick and hard coal seam,this study investig...
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