英语词汇“allen screw”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	allen screw
释义	Allen screw in British English (ˈælən skruː) noun a screw that has a hexagonal cross section in the head, designed to be turned using an Allen key
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Allen screw in British English