党領导全民大办鋼鉄,生产出了大量的土鉄。有些入認为土鉄含硫最高,不适于作鑄件,对土鉄采取了不欢迎的态度。第一机械工业部机械制造与工艺研究院和北京通用机械厂,沒有被这种成見所束縛,在党的領导下发揮了敢想敢干的精神,工人和技术人員共同努力,認真研究 The party led the whole nation to do big steel mills, produced a lot of soil mound. Some believe that the highest soil sulfur content, not suitable for casting, on the soil taken an unfriendly attitude. The Machinery Manufacturing and Technology Research Institute of the First Machinery Industry Department and General Machinery Plant of Beijing were not bound by this prejudice. They dared to think and do their best under the leadership of the party. Workers and technicians worked hard and conscientiously