• Then three static average stress and the dynamic stre. ss are further studied.

    继而进一步计算了膜片静态种组合的平均应力以及动态应力。

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  • An effort has been also made to diagnose the dynamic causes of displacement of the surrounding rocks and the occurrence of changes of bearing stre...

    分析了沿空留巷围岩移动力学根源巷道煤帮内支承应力变化规律

    youdao

  • An effort has been also made to diagnose the dynamic causes of displacement of the surrounding rocks and the occurrence of changes of bearing stre...

    分析了沿空留巷围岩移动力学根源巷道煤帮内支承应力变化规律

    youdao

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