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    Study on coal-rock moving law and its control for

    时间:2013-03-14 23:51来源:未知 作者:admin点击:200次
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    Song Xuanmin, Jin Zhongming and Wei Jinping, Study on coal-rock moving law and its control for longwall top-coal caving face, Proceedings of 99 International Workshop on Underground Thick-seam Mining, Beijing, China , October 1999

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