短語詞組短語fatigue life -crack propagation 疲勞壽命fatigue -crack propagation 疲勞裂紋擴展the rate of fatigue -crack growth 疲勞裂紋擴展率anti -fatigue crack 抗疲勞斷裂creep -fatigue crack growth 疲勞蠕變裂紋擴展fatigue short crack -growth behavior 疲勞短裂紋擴展行爲(wèi)properties of anti -fatigue crack 抗疲勞斷裂性能low -cycle fatigue crack 低周疲勞裂紋 返回 fatigue crack