I. oxid, include magnetic iron orered iron ore , brown iron ore, etc.
含鐵氧化物的礦物有磁鐵礦、赤鐵礦、褐鐵礦、鈦鐵礦等.
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The method and skill for balancing a complex oxid - reduction reaction equation are discussed in this paper.
本文介紹復(fù)雜氧化還原反應(yīng)式配平的方法和技巧.
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