【运输】动力轨道【运输】电轨

certificate of authorization【法】;letter of authorization【法】;power of attorney【法】

power of soul

real power regulator (real output regulator, effective power regulator)

concentric, power cable

delegate power to the lower levels; shift of power to the grassroots

implied power【法】

aircraft power plant

closed-loop power-assisted control【自】 电