| 单词 | pivot broach |
| 释义 | > as lemmaspivot broach pivot broach n. a boring tool used in watchmaking to enlarge pivot holes. ΚΠ 1875 E. H. Knight Amer. Mech. Dict. III. 1721/2 Pivot-broach, a..tool for opening the pivot-holes of watches. 1996 Watch Repair Equipm. in rec.antiques.marketplace (Usenet newsgroup) 15 May Pivot broach set. < as lemmas |
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