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菜鳥(niǎo)想憋老鳥(niǎo)
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樓主  發(fā)表于: 2015-03-11 20:30
為什么萬(wàn)用表歐姆當測帶24v電源的線(xiàn)（24v線(xiàn)和零線(xiàn)）是通的，零線(xiàn)和信號線(xiàn)也是通的，而把24v電源斷掉則不通了?? 求解，在下新手不太懂。
4947046
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1樓  發(fā)表于: 2015-05-18 13:51
一般沒(méi)用過(guò)的檔位使用前先看看手冊，比一來(lái)看手冊效果更佳，一來(lái)二去就會(huì )了。

實(shí)踐中學(xué)習比理論死記來(lái)的快。

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