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    Feng guo-rui,Wang xian-xia,Kang li-xun.A Probe into “Mining

    时间:2013-03-21 16:43来源:未知 作者:stu点击:200次
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    Feng guo-rui,Wang xian-xia,Kang li-xun.A Probe into “Mining Technique in the Condition of Floor Failure” for Coal Seam above Longwall Goafs[J].Journal of Coal Science &Engineering, 2008,14(1),19~23;

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