某同学使用如图所示装置试验一氧化碳与氧化铜的反应清回答下列有关问题1试验进行一段时间后a装置中出现的现象是 说明有 生成b装置 Template




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sketch #3260 sorry to over comment on your blog .haha. I 'm just flnpiipg through your posts after finding you through the KCWC. Recently I had this huge urge to learn to sketch with black ink pens. This cloud drawing is exactly the thing that I feel the need to put on paper. : )


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tomski某同学使用如图所示装置试验一氧化碳与氧化铜的反应清回答下列有关问题1试验进行一段时间后a装置中出现的现象是 说明有 生成b装置 coloring