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transtage

1、变轨级

... 变轨级 transtage 变轨： orbital transfer 变轨发动机 orbit maneuver motor ...

2、中间级

... 中间等级的 middle bracket ;middlebracket 中间级 transtage 中间络合物 intermediate complex ...

transtage engine级间发动机

航空、航天科学技术

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