保卫细胞是构成气孔的两个特化的表皮细胞双子叶植物的保卫细胞一般�肾脏形两细胞的四面相对形成一空隙即气孔下图表示气孔运动机理请据图 Template




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tomski保卫细胞是构成气孔的两个特化的表皮细胞双子叶植物的保卫细胞一般�肾脏形两细胞的四面相对形成一空隙即气孔下图表示气孔运动机理请据图 coloring