multistage rocket [航] 多级火箭 ; 多级 ; 多级辐射跃迁
booster of multistage rocket 多级火箭的第一级
multistage e rocket 多级火箭
multistage cluster rocket 并列式多级火箭
multistage tandem rocket 串列式多级火箭
The release said an interstage ring is a key component in a multistage rocket, and that those used on China's current rockets were made in sections before being assembled.
发布会表示,级间环是多级火箭的关键组成部分,而用在中国现有火箭上的级间环以往都是分开制造,最后组装的。
Of, relating to, or being an auxiliary rocket on a multistage spacecraft that is fired in the direction of the spacecraft's motion to separate the sections.
正加速度的火箭:多节航天器上的辅助火箭的,这种火箭点燃后沿航天器运行方向推进,并分为几部分。
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