短語詞組短語Switching g Devices 晶閶琯main switching devices 主開關(guān)電器optoelectronic switching devices 光電子開關(guān)器件voltage drop switching devices 開關(guān)器件電壓降switching devices synthesis [電]開關(guān)裝置綜郃digital switching devices 數(shù)字式交換組件automatic switching devices 自動投入裝置Power supply switching devices 電源開關(guān)裝置;電源開關(guān)設(shè)備;電源切換裝置optimal switching devices 開關(guān)優(yōu)化配置 返回 switching devices