多功能智能电力监测仪
Multi-functional Smart Power Monitor
节电器智能电路设计
Intelligent Circuit Design of Brownout Unit
开关型智能充电器
intelligent charger with switching circuit
Intelligent Charger on Switching Circuit
智能充电器
intelligent battery charger
intellectual charger
intelligent charger
智能充电系统
intelligent quick-charged system
智能电能表
intelligent Watt-hour meter
smart electricity meter
smart meter
smart meters
充电电路部件
charging circuit component
充电电路的运行
charging circuit operation
电容充电电路
capacitor charging circuit
开关型充电电路
Switch-mode Battery-charging Circuit
内装充电电路
built-in charging circuit
线路充电电流开合
line-charging current switching