随着我国社会主义建设事业的日益发展,轧钢生产对轧辊的品种、质量、和数量都提出了越来越高的要求,因而原有的砂型法、冷型衬砂法等轧辊铸造工艺已逐渐显得不相适应。我们遵照伟大领袖毛主席关于“在生产斗 With the continuous development of the socialist construction in our country, the rolling production has raised higher and higher requirements on the variety, quality and quantity of the rolls. Therefore, the original sand casting method and cold lining method have been gradually adopted Seem incompatible. We follow Chairman Mao, the great leader, on “fighting in production.”