重载列车E级钢钩舌疲劳裂纹扩展条件及寿命预测
李晓慧;谢基龙
重载列车E级钢钩舌疲劳裂纹扩展条件及寿命预测
Prediction of Fatigue Crack Growth Condition and Lifetime on Coupler Guard Arm Area of E Grade Steel of Burden Strain
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