The design of automatic control of a central air-conditioning system(CAS)is a multi-discipline engineering involving air conditioning system, electric system and automatic control system.
集中空调系统的自动控制是智能建筑的重要组成部分，是与空气调节和电气密切相关的跨学科工程。
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I hoped for the challenging life of an Air Force pilot and was on my way to making it a reality through sweaty self-discipline and intense mental focus.