crack life

• 疲劳寿命

crack life的用法和样例：

例句

1. Reduction in the life of a strcture is avoided largly by design.
   一般在设计过程中即避免了结构疲劳寿命的降低。
2. And also the sensitivity analysis was done to the several key factors influencing the fatigue life of the vane.
   并对影响其疲劳寿命的几种关键因素进行了敏度分析。