英语词汇“payload-mass ratio”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	payload-mass ratio
释义	payload-mass ratio payload-mass ratio [′pā‚lōd ¦mas ‚rā·shō] (aerospace engineering) Of a rocket, the ratio of the effective propellant mass to the initial vehicle mass.
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