开关型充电电路
Switch-mode Battery-charging Circuit
高频开关充电电源
High-frequeney switching charger
Boost型开关电源
Boost style of switching mode power
BUCK降压型开关电源
buck step-down switching power supply
电力换档电机开关
electric shift motor switch
电压开关型电涌保护器
voltage switching type SPD
简易型开关电源
Simple switching power supply
开关型电动执行器
switching electric actuator
switching motor-driven actuator
智能型高频开关充电装置
intelligent high-frequency switch charger
小型充电电池
small-sized secondary battery