invalidation mechanism

• 失效机理

invalidation mechanism的用法和样例：

例句

1. This paper introduces the degradation mechanism of the electrodes, the methods and the development of prolonging the life of the electrodes of RSW.
   摘要简要介绍了电阻点焊电极的失效机理和提高电极寿命的一些方法及发展方向。