英语词汇“derailleur”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	derailleur
释义	derailleur de·rail·leur / diˈreiljə(r) / noun (technical 术语) a type of gear on a bicycle that works by lifting the chain from one gear wheel to another larger or smaller one 拨链器, 变速器 (自行车换挡装置)
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