Copper- tungsten poly- metallic mine

• 铜钨多金属矿

Copper- tungsten poly- metallic mine的用法和样例：

例句

1. The Shizhuyuan deposit is the largest of the economically important polymetallic tungsten deposits in China.
   柿竹园钨多金属矿床由三个阶段不同成矿作用复合叠加而形成。