2.下列物质的用途主要利用物理性质的是 A.酒精用于给�烧病人擦拭以降低体温b.氮气用作保护气c.酒精可作燃料d.氧气用于炼钢——青夏 Template




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tomski2.下列物质的用途主要利用物理性质的是 a.酒精用于给�烧病人擦拭以降低体温b.氮气用作保护气c.酒精可作燃料d.氧气用于炼钢——青夏 coloring