１９９７年铜产量可达３４０万ｔ据外电报道，世界最大产铜国智利，１９９７年的精铜产量可望达到３４０万ｔ，比上年的产量３１１万ｔ增加２９万ｔ，增幅９．３％。智利铜储量居世界第一位，近年来由于智利矿业部门引进外资建成一批大型铜矿，使产量增长很快。其中，产量... According to foreign reports, in 1997, Chile, the world’s largest copper producer, could produce 3.4 million tons of refined copper in 1997, an increase of 290,000 tons or 9.3 times over the previous year’s output of 3.11 million tons, an increase of 9.3% %. Chile’s copper reserves ranked first in the world, in recent years due to the introduction of foreign investment in Chile’s mining sector to build a number of large-scale copper mines, so that production increased rapidly. Among them, the output ...