fatigue load

• 疲劳载荷

fatigue load的用法和样例：

例句

1. The fatigue cracks initiate in a intergranular manner and propagate in a transgranular manner, which stages are separated by secondary cracks.
   实验结果表明疲劳载荷下的橡胶裂纹首先沿片晶结合面萌生，然后穿晶扩展破坏，且存在次生裂纹。