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gongxx163
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樓主  發(fā)表于: 2011-04-22 17:33
本人是菜鳥(niǎo)，今天去一家公司面試，

題目是安全繼電器的接線(xiàn)，說(shuō)是要接單手單通道的

很是迷惑，望知道的兄弟給我回復�。�！ 我看論壇上很少這樣的資料��！


謝謝�。�！
fsyujing
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1樓  發(fā)表于: 2011-04-23 16:23
用過(guò)皮爾茲安全繼電器，沒(méi)有四樓說(shuō)的那么簡(jiǎn)單。

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