• Description is made on the principle and application result of the short group bolting of slushing roadways in loosened rock.

    论述锚杆支护碎裂岩石中耙道原理实施效果

    youdao

  • Description is made on the principle and application result of the short group bolting of slushing roadways in loosened rock.

    论述锚杆支护碎裂岩石中耙道原理实施效果

    youdao

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