英语词汇“patch 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	patch bolt
释义	patch bolt patch bolt [′pach ‚bōlt] (design engineering) A bolt with a countersunk head having a square knob that twists off when the bolt is screwed in tightly; used to repair boilers and steel ship hulls.
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