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光電開(kāi)關(guān)誤差信號(hào),請(qǐng)教 |
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點(diǎn)評(píng)
光電作開(kāi)關(guān),,負(fù)責(zé)斷路,、合閘,能量由電源提供,,以前用過(guò),,沒(méi)問(wèn)題,繼電器也有不同規(guī)格的
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