...NC是常关闭,是英文Normally Close(正常关闭)缩写。 常开 一般接触器触头位置都会标注常开NO、常闭NC以及所对应的数字,不同厂家的标注方式也不同,最常见的如:常开触点(NO...
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... 开启后加锁(锁开) Locked closed L.O 正常时关闭 Normally close N.C 正常时开启 Normally open N.O ...
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The switches are available in several configurations, with 2 normally open contacts, or 1 normally open and 1 normally close contact.
开关可以有不同的结构,可以有两个断开接点也可以有1个断开接点和1个闭合接点。
Since cave dwellers normally lived close to entrances, there must have been some reason why so many generations of Lascaux cave dwellers hid their art.
鉴于穴居人一般都居住在洞口附近,因此,拉斯科岩洞许多代穴居者隐藏他们的艺术作品,其中必定存在某些原因。
If little close work is done, this elongation process normally stops with only a slight amount of farsightedness left.
如果轻度的近距离工作,只要轻度的远视调节,这个伸长过程就可以正常停止。
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