短语词组短語pulsating dc voltage 直流脈動電壓Allow the pulsating voltage 允許脈動電壓Pulsating Voltage Source Cell 脈沖電壓源單元voltage pulsating 電壓脈動voltage pulsating factor 電壓脈動因數voltage pulsating ratio 電壓脈動率 返回 pulsating voltage