A large tool resembling a carpenter's auger, typically having a helical blade and turned mechanically or by hand, and used for boring into or…
| 单词 | θ7624 |
| 释义 | the world > the earth > earth sciences > geology > [noun] > apparatus (3) auger1532 A large tool resembling a carpenter's auger, typically having a helical blade and turned mechanically or by hand, and used for boring into or… corer1927 A drilling device which extracts a core in geological exploration, etc. (see core, n.1 4). core-sampler1938 a device for extracting a core of material from the ocean floor. |
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