下面的转化关系图中b是用于实验室制氧气的一种液体药品且b和d组成元素相同e与f的组成元素也相同.a为石灰石的主要成分g在常温下可以分解 Template




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tomski下面的转化关系图中b是用于实验室制氧气的一种液体药品且b和d组成元素相同e与f的组成元素也相同.a为石灰石的主要成分g在常温下可以分解 coloring