热门关键字:

    [EI]Lian Qingwang,Song Xuanmin,Gu Tiefeng. The mathematic m

    时间:2013-03-21 11:32来源:未知 作者:stu点击:200次
    ------分隔线----------------------------

    [EI]Lian Qingwang,Song Xuanmin,Gu Tiefeng. The mathematic model of roof unstability and weighting pre-warning in mine and its application. Journal of Mining and Safety Engineering , v 28, n 4, p 517-523, 2011

    ------分隔线----------------------------