英语词汇rack railway怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	rack railway
释义	rack railway noun a railway with a toothed rail between the bearing rails which engages with a cogwheel under the locomotive, for very steep slopes 齿轨铁路。
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