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™ noun /ˈælən skruː/ /ˈælən skruː/ jump to other results a screw with a hole that has six sides in the top part Word Origin1930s: from the name of the manufacturer, the Allen Manufacturing Company, of Hartford, Connecticut.
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