• With material mechanics theory, expounded bolt tail subjected to no center load action and roof bolt broken mechanism while roadway was supported with bolts.

    应用材料力学理论阐明了锚杆支护一定受到偏心载荷作用顶板锚杆破断机理

    youdao

  • With material mechanics theory, expounded bolt tail subjected to no center load action and roof bolt broken mechanism while roadway was supported with bolts.

    应用材料力学理论阐明了锚杆支护一定受到偏心载荷作用顶板锚杆破断机理

    youdao

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