“upper stage liquid rocket engine”的概念、定义、翻译、参考文献-科学参考

单词	upper stage liquid rocket engine
释义	upper stage liquid rocket engine Encyclopedia 工学液体火箭发动机释 upper stage liquid rocket engine上面级液体火箭发动机介于基础级火箭与有效载荷之间的上面级运载器所配套的主动力液体火箭发动机。
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