阅读下列材料回答问题材料一据专家预测水资源问题将成为21世纪中国社会经济�展的重要制约因素将面临资源型缺水和水质型缺水双重压力因此 Template




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tomski阅读下列材料回答问题材料一据专家预测水资源问题将成为21世纪中国社会经济�展的重要制约因素将面临资源型缺水和水质型缺水双重压力因此 coloring