1.如图为“探究人体�出的气体成分 的实验装置示意图请据图回答下列问题1在此探究实验中用于吸气并作为对照的装置是甲瓶.2吸气 Template




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tomski1.如图为“探究人体�出的气体成分 的实验装置示意图请据图回答下列问题1在此探究实验中用于吸气并作为对照的装置是甲瓶.2吸气 coloring