main power supply短语⁵⁶⁷¹¹ 基本例句 主电源 The electronic equipment is widely applied to aircraft electric power system, so power quality problems in AC main power supply system cause more and more attention. 在飞机电气系统中,随着电力电子装置的广泛应用,交流供电系统的电能质量问题受到越来越多的关注。 dictall