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yaoxiang
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樓主  發(fā)表于: 2015-01-26 09:09
倉庫里的但一直沒(méi)弄清是啥東西。
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1樓  發(fā)表于: 2015-01-26 10:16
可能是安全繼電器，主要是用在模塊化電路控制中，檢測各電路安全控制用，請參閱
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2樓  發(fā)表于: 2015-01-26 11:01
引用
引用第4樓qwerty318于2015-01-26 10:58發(fā)表的  :
第一個(gè)是開(kāi)關(guān)電源，第二個(gè)是時(shí)間繼電器,第3個(gè)有點(diǎn)搞不清。

就是工作有點(diǎn)象延時(shí)繼電器，
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