compression-tension fatigue

例句：

1. 1.The compression fatigue in the machine is due to excessive stress.
   机器中的压缩疲劳是由于过度应力引起的。
2. 2. The tension fatigue of the cable is a major concern for maintenance.
   电缆的张力疲劳是维护的一个主要关注点。
3. 3.The engineers were concerned about the compression-tension fatigue of the structure.
   工程师们担心结构中的压缩疲劳和张力疲劳。