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 nnoun.artifacta bolt that has an attachment that expands as the bolt is driven into a surface Hypernyms:bolt Inherited Hypernyms:expansion boltboltscrewfastenerrestraintdeviceinstrumentalityartifactwholeobjectphysical entityentity
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