英语词汇“rack railway”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	rack railway
释义	rack railway noun or rack railroad : a railway having between its rails a rack that meshes with a gear wheel or pinion of the locomotive for climbing grades too steep for traction through ordinary adhesion of the wheels to the rail
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