单词 | castellated bit |
释义 | castellated bit [`kas·tǝ´lād·ǝd `bit] DESIGN ENGINEERING 1. A long-tooth, sawtooth bit. 2. A diamond-set coring bit with a few large diamonds or hard metal cutting points set in the face of each of several upstanding prongs separated from each other by deep waterways. Also known as padded bit. |
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