poly-metallic sulphide ore

• 多金属硫化矿

poly-metallic sulphide ore的用法和样例：

例句

1. A process of acid leaching under pressure of polymetallic sulphide flotation concentrates and various influence factors on leaching is studied.
   研究了多金属硫化矿浮选精矿加压酸浸过程及各种因素对浸出的影响。