“second-stage propulsion system for ejection seat”的概念、定义、翻译、参考文献-科学参考

单词	second-stage propulsion system for ejection seat
释义	second-stage propulsion system for ejection seat Encyclopedia 工学火箭弹射座椅释 second-stage propulsion system for ejection seat二级弹射动力系统飞机防护救生系统中，在人和火箭弹射座椅系统出舱后，用于将人椅系统推至预定安全开伞高度的异形固体火箭系统。一般固定安装在火箭弹射座椅下方或椅背后面。
随便看	ultra-telescopic meteor ultratelescopic meteor ultrathin film ultra-thin overlay ultrathin section ultra trace ultratrace analysis ultravacuum ultraviolation ultra-violet ultraviolet ultraviolet absorber Ultraviolet absorbing filter ultraviolet absorption detector ultraviolet absorption spectrum ultraviolet and visible spectrophotometer ultraviolet astronomy Ultraviolet Astronomy Satellite ultraviolet attitude detector ultraviolet background ultraviolet band ultraviolet-bright star ultraviolet camera ultra violet catastrophe ultra-violet catastrophe

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