如图是叶片结构示意图据图回答1在叶片中进行光合作用的主要部位是22叶肉叶肉2图中�是上表皮上表皮�是叶脉叶脉具有支持和 Template




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tomski如图是叶片结构示意图据图回答1在叶片中进行光合作用的主要部位是22叶肉叶肉2图中�是上表皮上表皮�是叶脉叶脉具有支持和 coloring