“emergency parachute”的概念、定义、翻译、参考文献-科学参考

单词	emergency parachute
释义	emergency parachute Encyclopedia 工学火箭弹射座椅释 emergency parachute救生伞飞机防护救生系统中，当飞机出现应急情况需要跳伞时，为拯救飞行人员生命、保证其安全着陆的救生工具。又称降落伞。
随便看	upholstered furniture upholstery twill silk for picture mounting UPI up in the air Up in the Lakeside Tower UPJO up-ladder up-ladder operator upland cotton upland plant upland rice upland rice cyst nematode disease upland soil microbes UPLC up-leg light time uplift uplift pile uplift pressure uplink upload UPM upness Upolu Island U Ponnya Upon Passing Through Qu'e When Beginning My Service as Aide to the General of Zhenjun

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