为探究燃烧的条件某同学进行了如图所示的实验有关的说法正确的是 A.现象��说明物质燃烧需要温度b.现象��说明物质燃烧需要氧气c.现象 Template




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tomski为探究燃烧的条件某同学进行了如图所示的实验有关的说法正确的是 a.现象��说明物质燃烧需要温度b.现象��说明物质燃烧需要氧气c.现象 coloring