coupling stress

例句：

1. 1. The design of the coupling system is crucial for ensuring the smooth operation of the machine.
   耦合系统的设计对于确保机器的顺畅运行至关重要。
2. 2.The coupling stress between the two parts needs to be carefully controlled to prevent any potential failures.
   两个部分之间的耦合应力需要仔细控制，以防止潜在的失败。
3. 3. In the process of manufacturing, the coupling stress between the workpiece and the tool must be minimized to avoid damage to the material.
   在制造过程中，工件与工具之间的耦合应力必须最小化，以避免对材料造成损害。