| 释义 |
normally open常开的；静开的；原位断开的normally open常开normally open常開電子工程normally open常開的；靜開的；原位斷開的電機工程normally open(hydraulic)常開電機工程normally open(pneumatic)常開電機工程normally open常開的，靜開的，原位斷開的電力工程normally open (hydraulic)常開生產自動化normally open (pneumatic)常開生產自動化normally op |