英语词汇“bullhead rail”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	bullhead rail
释义	bullhead rail bullhead rail n (Railways) railways a rail having a cross section with a bulbous top and bottom, the top being larger. Now largely superseded by: flat-bottomed rail
随便看	improper distribution improper divisor improper dose quantity improper face improper feud improper fraction improper fractions improperia improper integral improper integrals improperly improperly accumulated earnings tax improperly posed problem improper mental health evaluation improperness improper orthogonal transformation improper point improper prior improper riemann integral improper rotation improper surface wave improperty impropitious improportionable improportionate

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