“helicopter bub-up”的概念、定义、翻译、参考文献-科学参考

单词	helicopter bub-up
释义	helicopter bub-up Encyclopedia 工学直升机飞行性能释 helicopter bub-up直升机垂直跃升直升机悬停高度快速提高的垂直机动飞行。是武装直升机常用的战术动作之一。
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