 2018, Vol. 37 Issue (7): 1776-1776 DOI: 10.13722/j.cnki.jrme.2018.0215 |
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| The fracture mechanism of main roof stratum and strong mine pressure control method in long wall mining of steeply inclined coal seam in Wangjiashan colliery | |||
| ZHANG Jiwei | |||
| (School of Resource and Civil Engineering，University of Science and Technology Beijing，Beijing 100083，China) | |||
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