英语词汇“expansion bolt”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	expansion bolt
释义	expansion bolt (once / 1969886 pages) n WORD FAMILY expansion bolt: expansion bolts n a bolt that has an attachment that expands as the bolt is driven into a surface Hyper bolt a screw that screws into a nut to form a fastener
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