三软煤层大断面煤巷快掘快支技术研究 |
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作者姓名: | 任重远 |
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作者单位: | 中煤新集能源股份有限公司口孜东矿,安徽阜阳236153 |
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关 键 词: | 三软煤层 大断面煤巷 快速掘进 支护技术 优化 |
Study on fast-digging and supporting technology for coal roadway in large sections of three soft coal seams |
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Authors: | Ren Zhongyuan |
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