| 单词 | broaching |
| 释义 | broaching [`brōch·iŋ] ENGINEERING 1. The restoration of the diameter of a borehole by reaming. 2. The breaking down of the walls between two contiguous drill holes. MECHANICAL ENGINEERING The machine-shaping of metal or plastic by pushing or pulling a broach across a surface or through an existing hole in a workpiece. |
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