| 单词 | pivot lathe |
| 释义 | > as lemmaspivot lathe pivot lathe n. ΚΠ 1866 Sci. Amer. 28 Dec. 288/2 A watchmaker's pivot lathe. 1882 Century July 15/2 Here is a girl at work with a tiny lathe, called the automatic staff or pivot lathe. 1997 FS: Jacot Pivot Lathe in rec.crafts.metalworking (Usenet newsgroup) 30 Dec. Watchmaker's Jacot Pivot Lathe. Used to reduce the thickness of small pivots on watch gears. < as lemmas |
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