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 Principles and technology of surrounding rock control along the roadway of weak narrow coal pillar in Xinyi Mine
Li Xiang 1,3, Wang Chao 2,3, Tao Guangzhe 3
1. Western Shandong Supervision Branch of Shandong Mine Safety Supervision Bureau, Jining 272000, China;
2. Shandong Bureau of Natural Resources and Planning, Tai’an 271600, China; 3. Shandong University of Science and Technology, Qingdao 266590, China


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