• If stress concentration factor expression for rectangular drift opening is known, it can be of great help in the design and support of mine horizontal rectangular drift.

    了解矩形巷道应力集中系数表达式矿山水平矩形巷道设计支护有很大帮助

    youdao

  • If stress concentration factor expression for rectangular drift opening is known, it can be of great help in the design and support of mine horizontal rectangular drift.

    了解矩形巷道应力集中系数表达式矿山水平矩形巷道设计支护有很大帮助

    youdao

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