| 单词 | core drill |
| 释义 | core drill (once / 11819311 pages) n WORD FAMILY core drill USAGE EXAMPLESThere are two methods, the chop and the core drill. Lieberman, Frank, If You're Going to Live in the Coun...(2010) n a drill that removes a cylindrical core from the drill hole Hyper drill a tool with a sharp point and cutting edges for making holes in hard materials (usually rotating rapidly or by repeated blows) |
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