只要我们回顾1990～1991年全世界经济增长速度减退的状况,就不难发现有许多因素影响了世界金属的消费量;但是随着东欧经济的复苏,南亚经济的持续增长,拉丁美洲贸易壁垒的打破、投资增多,以及工业化国家基本建设对金属需求量增多,促使全世界对包括铅、锌在内的金属矿产资源的消费量持续增长。1990年西欧和前苏联的经济衰退,外费 As long as we review the declining economic growth rate in the world from 1990 to 1991, we can easily find that many factors have affected the consumption of metal in the world. However, with the economic recovery in Eastern Europe and the continued growth of the economy in South Asia, the trade barriers in Latin America Breaking down, increasing investment and increasing demand for metals in capitalist industrialized countries have prompted the world’s consumption of metal and mineral resources, including lead and zinc, to continue to grow. Economic recession in Western Europe and the former Soviet Union in 1990, extra charges