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單詞乎

step rocket

step rocket是什么意思、step rocket怎么讀

step rocket漢語(yǔ)翻譯

多級(jí)火箭

step rocket英語(yǔ)解釋

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
    同義詞：multistage rocket

step rocket例句

  1. One of the ways to make step rockets is to put the stages side by side at the bottom.
    制造多級(jí)火箭的一種方法是把各級(jí)火箭并排放在底部。
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