Although there are 60 tin-bearing greisen veins,only a few of them form the main ore bodies.
共圈出含锡云英岩
60
,但主矿体
只有少数
。
Although there are 60 tin-bearing greisen veins,only a few of them form the main ore bodies.
共圈出含锡云英岩60,但主矿体只有少数。
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