“countersunk bolt”的概念、定义、翻译、参考文献-科学参考

单词	countersunk bolt
释义	countersunk bolt [¦käun·tǝr´sǝŋk `bōlt] ^{DESIGN ENGINEERING} A bolt that has a circular head, a flat top, and a conical bearing surface tapering in from the top; in place, the head is flush-mounted.
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