论文部分内容阅读
日本在銅精炼厂安装了一台大型双流連鑄机,它用来浇鑄φ76.2~228.6毫米(φ3″~9″)的圓坯、101.6毫米(4″)的方坯和
Japan installed a large twin-strand caster at the copper refinery to cast billet φ96.2-228.6 mm (φ3 “~ 9”) and billet 101.6 mm (4 ")