停电: power cut; power failure; se ...用: 40分钟跑完全程 run the course in 4 ...电源: source; current source; elec ...转换: change; transform; convert; ...继电器: electric relay; relay电源转换继电器: power cut out relay; power cut-over relay; power off relay; power transfer relay转换继电器: switching relay停电用继电器: power-off relay停电切换继电器: power off relay电源切换继电器: power tra fer relay; power transfer relay; power-off relay射频转换继电器: radio-frequency switching relay; rf switching relay天线转换继电器: antenna switching relay电源转换配电器: power switching distribution unit地面勤务转换继电器: gstr ground service transfer relay手动和自动转换继电器: manual automatic relay手动自动转换继电器: manual-automatic relay手控自动转换继电器: manual automatic relay变换继电器: translating relay切换继电器: cut over relay; drive control relay; switching relay; switchingrelay; tra fer relay; transfer relay电源转换: power supply change over; power supply changeover电源转换屏: power switching over panel电源转换器: ac-a17; power inverter; pwm reg3电源转换电路: power switching circuit; power-switching circuit电源转换开关: transfer switch电源转换装置: power supply changeover device