This paper analyzes the working principle of boeing 737-700/800 aircraft engine pneumatic system , and presents the elimination methods of pneumatic system malfunction during aircraft flight , to improve the reliability of the aircraft daily flight .%本文分析了波音 737- 700/800 型飞机发动机引气系统的工作原理,介绍了飞机飞行过程中引气系统出现故障时的排除方法,以提高飞机日常飞行的可靠性.
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