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三种组合的平均应力以及动态应力。
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的力学根源和巷道煤帮内支承应力变化的规律。
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