短語詞組短語voltage stabilized source 穩(wěn)壓電源constant voltage power source 恒定電壓電源voltage welding source 平特性銲接電源Differential voltage reference source 差分基準(zhǔn)源voltage controlled source 電壓控制電源Voltage ControlledCurrent Source 電壓控制電流源voltage -source pwm 電壓型pwmVoltage -source recitifier 電壓型整流器voltage e source 電源 返回 voltage source