Rod fatigue rupture is one of its main failure forms.

抽油杆的疲劳破坏是抽油杆柱的主要失效形式之一.

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The results showed that clutch fork rupture was fatigue rupture.

结果表明,离合器拨叉断裂是疲劳断裂.

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The invalidation of the harmonic gear drive is mostly the fatigue rupture of the flex spline.

谐波齿轮传动的主要失效形式是柔轮的疲劳断裂,小长径比的柔轮的强度更为薄弱.

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