阅读材料完成下列问题 材料一磷氮等营养盐是水生植物的营养物水中植物营养物增加会造成各种藻类的大量繁生会使水生生态系统遭到破坏 Template




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tomski阅读材料完成下列问题 材料一磷氮等营养盐是水生植物的营养物水中植物营养物增加会造成各种藻类的大量繁生会使水生生态系统遭到破坏 coloring