High arsenic gold ores

• 高砷金矿

High arsenic gold ores的用法和样例：

例句

1. It is difficult to concentrate for Arsenical gold Mineral.
   含砷金矿属难选矿石。
2. Arsenical gld ore is one kind of the most refractory ores.
   砷金矿石属于难处理金矿石之一。