In this paper, the current situation and the development tendency of the copper market are ana-lyzed, and the composition of the total cost expense in copper production and the significance of its control and administration are also discussed.

 
  • 分析当前铜市场的现状与发展趋势,论述铜冶炼总成本费用的构成及其控制管理的意义;
今日热词
目录 附录 查词历史