单词	易冻货物
释义	易冻货物医freezable freight
随便看	switching point Switching point voltage switching pole switching position switching power switching power amplifier switching power circuit switching power converter switching power device switching power source switching power supple switching power supplies switching power suppliew switching power supply Switching power-supply switching-power supply Switching Power Supply Design Second switching power system switching power transistor switching pressure switching principle switching procedure switching procedures switching process switching processing interface telephone event