真空精炼与纯净钢生产一、社会进步要求更“纯净”的钢改革开放１８年来，我国的钢铁工业持续快速发展，粗钢年产量由１９８０年的３７００万吨增长到１９９５年的９４００万吨，进入了世界钢铁生产大国的前列（见图１）图１我国粗钢逐年产量尽管如此，我国的钢铁工业与先... Vacuum refining and pure steel production I. Social progress requires more “pure” steel 18 years of reform and opening up, China’s steel industry continued rapid development, annual output of crude steel increased from 37 million tons in 1980 to 94 million tons in 1995, Into the forefront of the world’s steel producer (Figure 1) Figure 1 China’s annual output of crude steel Despite this, China’s steel industry with the first ...