In this paper, the status and trend of aircraft environment control, wheel -brake, fuel, hydraulics and utilitymanagement systems are presented.
文章叙述了保障系统中的飞机环控、机轮刹车、燃油、液压和公共管理系统的现代水平和发展趋势。
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The principal job of the electric power utilitymanagement and engineering is to provide good service at minimum cost conflicting requirements that must be watched with diligence.