contact life

 
       
  • 电触头寿命

contact life的用法和样例:

例句

  1. The previous methods to improv the servce life of the plug were described, and it was pointed out to carry on the research on RE-aluminium alloying to increase the plug life.
    对过去提高顶头寿命的工作作了简介,提出开展稀土铝合金化提高顶头使用寿命的研究。
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