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15850835542
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樓主  發(fā)表于: 2014-10-20 14:03
有人能告訴我為什么220v的3相電機3根線(xiàn)分兩根出來(lái)能帶一個(gè)燈泡嗎，還有并聯(lián)一個(gè)220v轉24的電源供應器，我知道一般燈都是一根火線(xiàn)一根零線(xiàn)，希望知道的大俠能告訴我一下，不知道的也不要忽悠我
[ 此帖被15850835542在2014-10-20 15:06重新編輯 ]
常熟崴立
yplongwu
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1樓  發(fā)表于: 2014-10-21 17:28
學(xué)習了，這招可能用得上哦！

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