1.钢材数量严重不足,轧钢工作者任重道远解放前,我国钢产量包括沦陷区在内,年产最高90×10~4余吨,解放后40年已发展到年产钢6000×10~4t,钢材近5000×10~4t,一跃成为世界第四产钢大国,仅次于苏联、日本和美国。与此同时,钢材品种明显扩大,目前,已能生产几乎全部军工、民用钢材,包括飞机、火箭、宇航、舰艇、坦克、原子弹、氢弹、 1. A serious shortage of steel, steel workers long way to go before liberation, including China’s steel output, including the enemy-occupied areas, with an annual output of the highest 90 × 10 ~ 4 tons, 40 years after liberation has been developed to an annual output of 6000 × 10 ~ 4t steel, Steel nearly 5000 × 10 ~ 4t, became the world’s fourth-largest producer of steel, second only to the Soviet Union, Japan and the United States. At the same time, the varieties of steel have obviously expanded. At present, almost all military and civilian steel products, including aircraft, rockets, astronauts, ships, tanks, atomic bombs, hydrogen bombs,