• The invention relates to a wall rock support method for an extremely strong or a strong or a moderate rock burst tunnel section that is deeply buried in an underground chamber.

    发明涉及一种地下极强中等岩爆围岩支护方法

    youdao

  • The invention relates to a wall rock support method for an extremely strong or a strong or a moderate rock burst tunnel section that is deeply buried in an underground chamber.

    发明涉及一种地下极强中等岩爆围岩支护方法

    youdao

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