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    [EI]Yang Yongkang. Effect of working face length on undergr

    时间:2013-03-21 11:44来源:未知 作者:stu点击:200次
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    [EI]Yang Yongkang. Effect of working face length on underground pressure characteristics by fully-mechanized top-coal caving. Yantu Gongcheng Xuebao/Chinese Journal of Geotechnical Engineering

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