低品位黄铜矿矿石
Low-grade chalcopyrite ore
钴铜矿石
ore containing cobalt and copper
铜山铜矿石
changes in ore properties
高含泥氧化铜矿石
high-clay copper oxide ore
复杂硫化铜矿石
complex sulfide copper ore
难选硫化铜矿石
Refractory sulfide copper ore
难选氧化铜矿石
refractory oxidized copper ore
低品位氧化铜矿石
oxidation of low-grade copper ore