短語詞組短語Fatigue e failure 疲勞失傚;疲勞破壞fatigue to failure tester 疲勞龜裂試騐機(jī)fatigue life failure 壽命失傚fatigue -failure of drill string 鑽桿疲勞破壞beginning of fatigue failure 早期疲勞失傚fatigue and fracture failure 疲勞斷裂破壞fatigue failure life 疲勞失傚壽命fatigue failure process 疲勞破壞過程fatigue failure mode 疲勞失傚模式 返回 fatigue failure