fatigue crack growth

• 疲劳裂纹增长

fatigue crack growth的用法和样例：

例句

1. Fatigue crack growth life is dominant in total life of components with notches or welded joints, which are unavoidable in most of structures and machines.
   疲劳裂纹增长寿命决定了主要元件，包括凹口和焊接件的整个寿命，这些元件在绝大部分的结构和机器中是不可以避免的。