“detachable bit”的概念、定义、翻译、参考文献-科学参考

单词	detachable bit
释义	detachable bit [di`tach·ǝ·bǝl `bit] ^ENGINEERING An all-steel drill bit that can be removed from the drill steel, and can be resharpened. Also known as knock-off bit; rip bit.
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