如图是某种生物的细胞亚显微结构示意图试据图回答1图中2结构的主要成分是纤维素和果胶它具有支持和保护功能.2太阳光能通过图中 Template




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tomski如图是某种生物的细胞亚显微结构示意图试据图回答1图中2结构的主要成分是纤维素和果胶它具有支持和保护功能.2太阳光能通过图中 coloring