英语词汇“rack rail”的翻译、意思、用法、释义-英汉双解词典-雅致网

单词	rack rail
释义	Definition of rack rail in English: rack rail noun A toothed rail which engages the teeth of a cogwheel, especially on the locomotives of a rack railway. Origin Early 19th century; earliest use found in Niles' Weekly Register. Definition of rack rail in US English: rack rail noun A toothed rail which engages the teeth of a cogwheel, especially on the locomotives of a rack railway. Origin Early 19th century; earliest use found in Niles' Weekly Register.
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Definition of rack rail in English: