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Mechanism of Secondary Breakage in the Overlying Strata during Repetitious Mining of an Ultrathick Coal Seam in Design Stage 期刊论文
2019
作者:  Li, Hui;  Zhang, Dongsheng;  Jiang, Shuyin;  Fan, Gangwei;  Xu, Mengtang
收藏  |  浏览/下载:8/0  |  提交时间:2019/12/30


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