单词 | screw forging |
释义 | > as lemmasscrew forging screw forging n. rare a screw blank made of forged iron. ΘΚΠ society > occupation and work > materials > derived or manufactured material > metal > metal in specific state or form > [noun] > metal upon which thread is cut to form screw screw forging1819 screw blank1831 1819 E. Woolley in Brit. Patents 4303 (1857) 2 The screw forging is formed or shaped from round or cylindrical rod iron. 1981 M. R. Smith in C. W. Pursell Technol. in Amer. v. 49 The most interesting unit was the screw machine, a device for hollow-milling screw forgings. < as lemmas |
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