• 组合岩梁模型岩层移动规律研究、地表沉陷控制以及矿井瓦斯防治中的应用进行了深入地分析

    The applications of the composed rock beam model in ground control, surface subsidence control and gas prevention in coalmine are studied deeply.

    youdao

  • 然后组合岩梁理论岩层移动规律研究、地表沉陷控制以及在矿井瓦斯防治中的应用进行了深入研究。

    The applications of the composed rock timber theory in ground control and surface subsidence control as well as gas prevention in …

    youdao

  • 然后组合岩梁理论岩层移动规律研究、地表沉陷控制以及在矿井瓦斯防治中的应用进行了深入研究。

    The applications of the composed rock timber theory in ground control and surface subsidence control as well as gas prevention in …

    youdao

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