| 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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