contact life

 
       
  • 電觸頭壽命

contact life的用法和樣例:

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.
    對過去提高頂頭壽命的工作作了簡介,提出開展稀土鋁合金化提高頂頭使用壽命的研究。
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