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用断裂力学的理论和方法，实测和计算了抽油杆杆体含有局部表面裂纹时的疲劳剩余寿命，结果表明．计算值与其测值符合。
Using the theory and method of fracture mechanics, the residual fatigue life of the sucker rod body with local surface cracks was measured and calculated. Calculated value and its measured value in line.