| 单词 | head metal |
| 释义 | > as lemmashead metal head metal n. Founding the metal in the head of a casting; cf. sense 44c, deadhead n.1 2a. ΘΚΠ society > occupation and work > materials > derived or manufactured material > metal > metal in specific state or form > [noun] > cast metal > other parts of casting skin1786 head metal1854 hot spot1908 society > occupation and work > materials > derived or manufactured material > metal > metal in specific state or form > [noun] > cast metal > in other specific form spray1831 T-bar1889 punt1895 head metal1902 1854 Encycl. Brit. VI. 185/1 The models and moulds of the breeching and head-metal are formed upon the same principles as that of the body of the cannon. 1902 J. G. Horner Pattern Making (ed. 3) xi. 80 These lighter matters are allowed to float into a ring of ‘head metal’ of the same diameter as the cylinder. 2011 Resources, Conservation & Recycling 55 768/2 Output of waste head metal in hot rolling process is as follows. < as lemmas |
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