rare-earth metal ore 稀土元素矿
They have abstracted a rare metal from the ore.
他们已从矿砂中提炼了一种稀有金属。
It is widely used to separate ferrous, nonferrous, nonmetal and rare metal minerals. such as gold mine, copper mine, lead-zinc ore, tin mine and so on.
它广泛用于单独的黑色，有色金属，非金属和稀有金属矿物。如金矿，铜矿，铅，锌矿砂，锡矿山等。
Wuyishan rare and precious metal ore belt is controlled by NE trend tectonic-magmatite belt.
武夷山稀有、贵金属矿带受ne向构造岩浆岩带控制。
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