英语词汇“belt tightener”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	belt tightener
释义	belt tightener belt tightener [′belt ‚tīt·nər] (mechanical engineering) In a belt drive, a device that takes up the slack in a belt that has become stretched and permanently lengthened.
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