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我国经济在迅速发展的同时,水的供需矛盾日益突出,缺水已成为制约工农业生产和城市发展的瓶颈。目前我国农业每年缺水300亿立方米,城
While China’s economy is developing rapidly, the contradiction between supply and demand of water has become increasingly prominent. The shortage of water has become a bottleneck that restricts industrial and agricultural production and urban development. At present, China’s agriculture is suffering from an annual water shortage of 30 billion cubic meters