论文部分内容阅读
Copper Self—Heat Furnace designedby Russia was ignited in Jinchuan—China’s nickel capital on August 22,1994 with the total investment ofRMB37 million yuan.With the operation of the furnace,thecopper production of Jinchuan Cor-
Copper Self-Heat Furnace designedby Russia was ignited in Jinchuan-China’s nickel capital on August 22, 1994 with the total investment ofRMB37 million yuan.With the operation of the furnace, thecopper production of Jinchuan Cor-