讨论气门弹簧钢丝的疲劳强度、寿命预测及其影响因素。
The paper deals with the fatigue strength, lifetime prediction and its influences of the valve spring steel wires.
螺拴的几何参数是影响螺栓联接疲劳强度的重要因素。
The geometrical parameters of a screw bolt are important factors that affect the fatigue strength of the bolted joints.
分析了装载机工作装置销轴的工作状况，找出影响销轴疲劳强度的因素，并对这些因素进行对比试验。
Work conditions of pins in work attachment of loaders are analyzed in the article. Factors influencing the fatigue strength of pins were found out. Comparison tests were carried out on these factors.
分析了装载机工作装置销轴的工作状况，找出影响销轴疲劳强度的因素，并对这些因素进行对比试验。
Work conditions of pins in work attachment of loaders are analyzed in the article. Factors influencing the fatigue strength of pins were found out. Comparison tests were carried out on these factors.
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