Township enterprises in the exploitation of coal, bauxite-based.
2
通过分析煤矸石的活性硅、铝成分，提出了以煤矸石代替部分铝钒土冶炼硅铝铁合金。
On the basis of analysis of activated silicon and aluminum components, a new smelting process of Si Al Fe alloy by use of coal spoil for replace a part of bauxite was proposed.
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