step-rockets

 
[s'tepr'ɒkɪts]     [s'tepr'ɒkɪts]    
  • 多級火箭
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step-rockets的英文翻譯是什麼意思,詞典釋義與在線翻譯:

英英釋義

名詞 step rocket:
  1. a rocket having two or more rocket engines (each with its own fuel) that are fired in succession and jettisoned when the fuel is exhausted

step-rockets的相關資料:

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