“Centaur family upper stage”的概念、定义、翻译、参考文献-科学参考

单词	Centaur family upper stage
释义	Centaur family upper stage Encyclopedia 工学〔空间运输器分类〕释 Centaur family upper stage“半人马座”系列上面级美国于20世纪60年代初研制成功的，世界上第一种以液氧、液氢为推进剂的高性能上面级。
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