单词 | heel tool |
释义 | > as lemmasheel tool ΚΠ 1827 Manch. Guardian 4 Aug. Heel tools, and gravers, vices, pullies. 1849 J. Weale Rudim. Dict. Terms Archit. ii. 217/2 Heel tool, a tool used by turners for roughing out a piece of iron, or turning it to somewhat near the intended size: it has a very acute cutting edge and an angular base or heel. 1904 P. N. Hasluck Metalworking 406/1 The heel tool..is another form of tool used in rough turning iron. < as lemmas |
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