Patterns and security technologies for co-extraction of coal and gas in deep mines without entry pillars
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The research was supported by Program for Changjiang Scholars and Innovative Research Team in University IRT_14R55, and the National Natural Science Foundation of China under Grant No.NSFC-51274193.
2016-02-26(万方平台首次上网日期,不代表论文的发表时间)
66-75