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小刺
我們都沒(méi)錯
級別: 略有小成
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樓主  發(fā)表于: 2018-06-16 17:22
設備啟動(dòng)電壓AC187V，5秒后切到AC220V供電，怎么能在切換過(guò)程中不斷電而且不起電��？請高手們幫忙解惑
yrm258
人生就像一臺PLC。人可以選擇誰(shuí)的指令，PLC沒(méi)有選擇。
級別: 論壇先鋒
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1樓  發(fā)表于: 2018-07-04 09:47
學(xué)習了
人生沒(méi)有如果只有后果

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