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用断裂力学的理论与方法,对凿岩机钎杆的寿命进行了定量分析,从而提出提高钎杆寿命的一些措施,提供了计算钎杆寿命的一种方法。
With the theory and method of fracture mechanics, the life of drill rod is quantitatively analyzed, and some measures to improve the life of drill rod are put forward, and a method to calculate the life of drill rod is provided.