如图所示是对果�进行环割�皮的实验请据图回答问题提示果�的韧皮部位于�皮内 1在ab处环割前后该枝条的蒸腾作用并没有受到影响 Template




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tomski如图所示是对果�进行环割�皮的实验请据图回答问题提示果�的韧皮部位于�皮内 1在ab处环割前后该枝条的蒸腾作用并没有受到影响 coloring