某同学设计了如上实验装置来验证叶的蒸腾作用.取三支试管各注入相同体积的清水分别插入一棵大小相似的枝条.甲乙装置枝条保留全部叶丙装置枝条 Template




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tomski某同学设计了如上实验装置来验证叶的蒸腾作用.取三支试管各注入相同体积的清水分别插入一棵大小相似的枝条.甲乙装置枝条保留全部叶丙装置枝条 coloring