短語詞組短語Internal power supply transformer 內(nèi)部電源供電變壓器Switching Power Supply Transformer 開關(guān)電源變壓器switching mode power supply transformer [電]開關(guān)電源變壓器current transformer power supply 電流互感器供電non -transformer power supply 無變壓器電源Transformer Power Supply and Filter 變壓器供電和濾波器auto transformer power supply mode 自耦變壓器供電方式 返回 power supply transformer