release of work hardening

例句：

1. 1. The steel was subjected to a process of work hardening to improve its strength.
   钢材经过一个过程来提高其强度。
2. 2.The team worked hard to achieve the goal they had set for themselves.
   团队努力工作以实现他们为自己设定的目标。
3. 3.The process of work hardening is essential for the material's durability.
   工作硬化过程对于材料的耐用性至关重要。