论文部分内容阅读
自由市场钴的价格最近已暴涨到每磅11.90—12.50美元,扎伊尔和赞比亚销售机构——Sozacom 和 Memaco 在努力稳定自由市场钻的价格中,已把他们
The free-market cobalt prices have skyrocketed recently to $ 11.90-12.50 per pound and Zozar and Zambian sales agencies - Sazacom and Memaco have put them in efforts to stabilize free-market diamond prices