短語詞組短語emergency standby power 應急備用電源emergency electrical power plant 應急電站emergency starting power source 緊急起動電源emergency y power source 應急電源emergency DC power raising 直流緊急功率提陞emergency electric power station 應急發(fā)電站emergency ac power system 緊急交流電力系統(tǒng)emergency security power 應急保安電源emergency light power supply 應急照明電源 返回 emergency power