短语词组短语fatigue full -life 疲劳全寿命analysis of fatigue -life 疲劳寿命分析fatigue life -crack propagation 疲劳寿命fatigue loss -of-life 疲劳寿命损耗impact -fatigue life 冲击疲劳寿命anti -fatigue life 疲劳寿命;抗疲劳寿命co -fatigue life 协同疲劳寿命 返回 fatigue life