keep relay

 
       
  • 止動(dòng)繼電器

keep relay的用法和樣例:

例句

  1. An integrated-circuit transformer differential relay including secondary and fifth harmonics suppressor is designed.
    設計了一種集成電路型具有二次五次諧波制動(dòng)的變壓器差動(dòng)繼電器。
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