特厚煤层坚硬顶板“爆破预裂-大直径钻孔”联合卸压技术研究
闫寿庆, 李青海, 张金良, 王国徽, 邢 侠, 侯 雷, 王绪奎, 马小勇
Study on combined pressure relief technology of blasting pre-splitting and large-diameter boreholes for hard roofs in extra-thick coal seams
煤炭工程
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2026, (5): 141
-150
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DOI: 10.11799/ce202605018