校化学兴趣小组的同学学习了实验室制取氧气后准备对气体的制取装置进行探究和设计.1实验目的探究气体的�生和收集装置.2仪器认识写出 Template




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tomski校化学兴趣小组的同学学习了实验室制取氧气后准备对气体的制取装置进行探究和设计.1实验目的探究气体的�生和收集装置.2仪器认识写出 coloring