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以上来源于: WordNet
N a yellow earthy rare secondary mineral that consists of tungsten oxide and occurs with tungsten ores. Formula: WO3 钨华
In ordinary chemical phase analyses of tungsten only tungstite, scheelite and wolframite are dealt with.
矿石中钨的物相分析通常只分析钨华、白钨矿和黑钨矿。
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