英语词汇“sprague frank julian”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	sprague frank julian
释义	Sprague Frank Julian Sprague S0668500 (sprāg), Frank Julian 1857-1934. American engineer and inventor. He developed the first electric trolley system (1887) and made advances in electric elevator design.
随便看	dstif dstis dstk dstl dstlr dstm dstn dstni dsto dstosr dstp dstpp dstq dstr dstra d street prepared dstrl d-structure ds&ts dsts dstsa dsts-g dstss dstt d-sttd

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Sprague Frank Julian