英语词汇“back check”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	back check
释义	back check back check [′bak ‚chek] (design engineering) In a hydraulic door closer, a mechanism that slows the speed with which a door may be opened. back check In a hydraulic door closer, 1 a mechanism which slows the speed with which a door may be opened.
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