浮选铜精矿
Flotation copper concentrate
Copper Concentrate by Flotation
优先浮选—浮选+重选
preferential flotation-flotation and gravity process
低品位黄铜矿矿石
Low-grade chalcopyrite ore
高硫难选铜矿
hard-dressing copper ore with high sulphur
大红山铁矿选矿厂
oredressing plant of Dahongshan iron mine
国外金属矿选矿
metallic ore dressing abroad