normally closed

英 美
  • 常闭合的,正常闭合的
  • closed adj.关闭的；封闭的；停业的动词close的过去式和过去分词.
  • normally adv.通常；正常地

相关词汇

normally normally engaged gear lock ring normally deenergized stick relay normally energized track circuit normally open push button switch normally-closed control element normally extinguished signal lamp normally pressured aquifer system normally distributed observations normally closed auxiliary contact normally deenergized track circuit
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