It used to be considered that the wolframite_quartz veins in Xihuashan orefield has been crystallized from hyperthermal or mesothermal solution.
过去一直认为西华山黑钨矿石英脉是高中温热液充填而成。
It used to be considered that the wolframite_quartz veins in Xihuashan orefield has been crystallized from hyperthermal or mesothermal solution.
过去一直认为西华山黑钨矿石英脉是高中温热液充填而成。
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上例句、词性分类
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