10kV standby power supply automatic switching device
reserve power supply automatic connection
active and automatic supply
Automatic back-up power supply
automatic change and automatic recovery device
automatic closing-in of reserve power supply
Automatic Power Apportioning
automatic power control
automatic power controlling
automatic power factor regulator
功率因数自动调整器
功率因子自动调整器
自动功率因素调整器
automatic power measuring system
automatic power reduction
automatic power regulation
automatic recovery program
automatic recovery property
Automatic supply device