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铜加工产业的地区分布 随着国民经济的发展,尤其是家用电器、仪器仪表、电子电器及电力行业的高速发展,我国的铜加工业的年产量已从1990年的45.2万吨跃上了2002年的251.2万吨,增长了455.75％。铜加工行业由小到大,企业数由少到多,经历了一个量的飞跃。 我国在1997年进行的第三次工业普查结果显示,当时国内有1380余家铜加工企业。但是,据对行业的了解,铜加工行业内企业的分类较困难,产品相互交叉的企业较多,若硬性分割加以区别,有些不合理,因此,确定铜加工材生产企业的总数是比较困难的。笔者认为,按以下方式来划定是较为合理
Regional distribution of copper processing industry With the rapid development of the national economy, especially in the household appliances, instrumentation, electronics and electric power industries, the annual output of China’s copper processing industry has risen from 452,000 tons in 1990 to 2002 2,512,000 tons in the year, an increase of 455.75%. Copper processing industry from small to large, business from less to more, has experienced a quantum leap. The result of the third industrial census conducted by China in 1997 shows that there were over 1,380 copper processing enterprises in China at the time. However, according to the understanding of the industry, enterprises in the copper processing industry are more difficult to classify, and there are more enterprises whose products cross each other. If the rigid division is made, it is not reasonable. Therefore, it is difficult to determine the total number of copper processing material manufacturers. . The author believes that the following way to draw is more reasonable