用损伤变量D2计算活塞杆裂纹扩展阶段的剩余强度与剩余寿命
용손상변량D2계산활새간렬문확전계단적잉여강도여잉여수명
The Residual Intensity and Life of Piston Rod Calculated by the Damage Variable D2 at Crack Growth Stage
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