19.已知焦性没食子酸这种指示剂在碱性环境下遇氧会由无色变褐色某同学利用焦性没食子酸这种特性设计一组实验来验证与光合作用有关的结论具体 Template




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tomski19.已知焦性没食子酸这种指示剂在碱性环境下遇氧会由无色变褐色某同学利用焦性没食子酸这种特性设计一组实验来验证与光合作用有关的结论具体 coloring