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	mammary acne mammary agalactia mammary alveolus mammary artery mammary artery, external mammary artery grafting mammary artery, internal mammary atrophy mammary branches mammary bud mammary calculus mammary cancer virus of mice mammary carcinoma mammary carcinoma kinase 10 mammary crest mammary crests mammary cyst mammary-derived growth factor 1 mammary-derived growth inhibitor mammary-derived growth inhibitor related mammary-derived growth inhibitor-related mammary duct mammary ductal ectasia mammary ductal hyperplasia mammary duct ectasia

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Sprague Frank Julian