厚表土厚坚硬顶板无煤柱切顶留巷关键技术研究#br#
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周均民, 申世豹, 刘进晓, 张峰
Study on key technology of thick topsoil and thick hard roof slab without coal pillar cutting roof and retaining roadway
煤炭工程 . 2022, (4): 1 -6 .  DOI: 10.11799/ce202204001