| 单词 | pot-steel |
| 释义 | > as lemmaspot-steel ΚΠ 1866 Sci. Amer. 23 June 425/3 Round Steel Shot.—... Pot-steel is the sole material used, and the steel spheres, about 9 inches in diameter, are swaged out in blocks under the steam hammer. 1875 R. F. Martin tr. J. Havrez On Recent Improvem. Winding Machinery 10 Steel tram wheels..made of a mild ‘pot steel’ and annealed carefully in an oven after they are cast. 1884 Times 4 Jan. 11/6 The pot-steel process has been almost wholly superseded. < as lemmas |
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