随着大、中型民航机的不断引进，英、美制高涵道涡轮风扇发动机所占份额越来越大，发动机的性能也日趋完善、可靠。但因使用或处置不当引起的发动机损坏，进而引起航班不正常和危及飞行安全的事件时有发生。大量事实表明：正确使用发动机对确保发动机性能，降低使用、维护成本 With the continuous introduction of large and medium-sized civil aircraft, the share of high-tract turbofan engines in Britain and the United States is increasing, and the performance of the engine is also becoming more sophisticated and reliable. However, due to improper use or disposal caused by engine damage, which led to flight irregularities and endangering flight safety have occurred. A large number of facts show that: the correct use of the engine to ensure engine performance, reduce use and maintenance costs