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-现代词典

单词	expansion bolt
释义	expansion bolt Building Trades. a bolt inserted into a hole drilled in masonry and mechanically expanded to serve as an anchor for shelves, timbers, etc.
随便看	serf serge Serge sergeant sergeant at arms sergeant first class sergeantfish sergeant major sergeanty Sergipe Sergius I Sergius II Sergius III Sergius IV Sergiyev Posad Seri serial serial-access serial comma. serialism serialize serial monogamy serial number serial rights serial technique.

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