“parachute opener”的概念、定义、翻译、参考文献-科学参考

单词	parachute opener
释义	parachute opener Encyclopedia 工学火箭弹射座椅释 parachute opener开伞器飞机防护救生系统中，通过预置的时间和高度控制动力和行程输出时机的装置。
随便看	Principle of Exegesis Principle of Exegetics principle of exercising the civil jurisdiction independently principle of ex officio principle of extension principle of extensionality principle of extension of domain principle of fairness principle of faunal succession principle of Fermat principle of final common path principle of free provenance principle of frequency modulation measurement principle of functoriality principle of general covariance principle of general elimination of quantitative restriction principle of general relativity principle of geometric reverse principle of geophysical exploration principle of good faith and honesty principle of hard and soft acids and bases principle of hard and soft acids and bases (HSAB principle) principle of harmonic measure principle of health maintenance with drugs Principle of historical cost

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