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单词
multistage rocket
释义
multistage rocket
n.
(名词)
A rocket composed of two or more propulsion units that fire in succession. Also called
step rocket
多级火箭:一种有两个或者更多的连续性点火推动单元的运载火箭 也作
step rocket
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更新时间:2025/11/29 11:48:13