短語詞組短語rotary flex fatigue test 回轉(zhuǎn)屈撓疲勞實驗flex fatigue test 屈撓疲勞試驗;撓曲疲勞試驗rotational flex fatigue failure 回轉(zhuǎn)屈撓疲勞失效the flex fatigue life 屈撓壽命flex fatigue property 耐屈撓疲勞性能flex fatigue life 抗撓曲疲勞壽命;抗撓屈疲勞壽命flex fatigue -resistance 抗撓曲疲勞性 返回 flex fatigue