endurance limit meaning in English

【机械工程】疲劳极限。

The endurance limit is reduced for temperatures above room temperature .
温度高于室温，持久极限则降低。
Many nonferrous materials do not have a definite endurance limit .
许多有色金属材料没有确定的持久极限。
Corrosion endurance limit
腐蚀疲劳极限
Calculation of load capacity of cylindrical gears ; endurance limits and material qualities
圆柱齿轮承载能力计算.疲劳极限和材料质量