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  • The support design is based on empirical approach from rock mass classification Q-system; and it is then verified by the numerical analysis.

    围岩支护是依据岩体分类Q系统采用经验法设计，然后采用数值分析校核。

    youdao

  • The support design is based on empirical approach from rock mass classification Q-system; and it is then verified by the numerical analysis.

    围岩支护是依据岩体分类Q系统采用经验法设计，然后采用数值分析校核。

    youdao

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