永平铜矿床具明显的衍生成矿特点。
An experimental research on auriferous high - sulfur copper ore flotation with a new reagent was carried out.采用新药剂对某含金高硫铜矿石进行了系统浮选试验研究。
It will build a smelter to refine copper ore, and a railroad to carry coal to the power plant and copper back to China.它还将建设一座冶炼厂来提炼铜矿石,同时建设一条铁路,一方面向发电站运输煤矿,另一方面把这些铜运回中国。