单词乎

step rocket

step rocket是什么意思、step rocket怎么读

step rocket汉语翻译

多级火箭

step rocket英语解释

名词 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
    同义词: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.
    制造多级火箭的一种方法是把各级火箭并排放在底部。
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