我国有色矿山建设滞后的成因黄汉桢仅仅用了４０多年，我国有色金属工业起了翻天覆地的变化。１９９５年我国１０种常用有色金属产量预计达到４３０万吨，相当于原苏联１９７５年的产量，即使每年以７％的较低速度递增，预计本世纪末其年产量将突破６００万吨，比１９４９... Huang Han-ching, the cause behind the construction of non-ferrous mines in China, took only 40 years and the nonferrous metal industry in our country has undergone tremendous changes. In 1995, the output of 10 commonly used non-ferrous metals in China is estimated to reach 4.3 million tons, equivalent to the output of the former Soviet Union in 1975. Even at an annual rate of 7%, it is estimated that its annual output will exceed 6 million tons by 1949, up from 1949. ..