| 单词 |
pugging screw |
| 释义 |
ˈpugging screw [pug v.2] A screw for compressing peat, etc.
1862Fraser's Mag. Nov. 634/2 [Mr. Brunton's] process in subjecting freshly-dug peat to the action of a pugging screw, working in a conical case, the bottom of which is pierced by small holes. |

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