normally closed contact
常闭接点 break contact ; Normally close ; Normal Close
串联常闭接点 ANI
运算开始常闭接点 LDI
常闭合接点 normally closed interlock ; rest contact
常闭辅助接点 normally closed auxiliary contact
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在测量完成以后，7169A型的常闭接点使电容器放电。
The normally closed contact of the Model 7169A serves to discharge the capacitor after it has been measured.
youdao
是不是说所有的接点输入都是常闭的接点输入呢？
All contact inputs are acation in close contact inputs.
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