endurance crack

• 疲劳裂纹

endurance crack的用法和样例：

例句

1. The fatigue crack growth experiments were performed according to the phenomena that crack occurred at PMMA in use.
   根据外场使用中出现的裂纹现象，进行了疲劳裂纹扩展试验。
2. The evaluation of crack initiation life is directly affected bythe reliability of nondestructive testing.
   检测方法的可靠性直接影响结构疲劳裂纹形成寿命估计值。