Urban domestic water conservation is vital for reducing water resources stress and water pollution loads in Pearl River Delta region.
城市生活节水对于降低珠江三角洲地区的水资源开发压力和水环境负荷有着特别的意义。
Urban waste pollution of the environment is harmful to health, waste of resources.
城市垃圾污染环境有害健康，浪费资源。
Rainwater utilization has the functions of saving water resources, alleviating flood disaster, supplementing the groundwater, controlling runoff pollution and improving urban ecological environment.
雨水利用具有节约水资源、减缓洪涝灾害、补充地下水、控制径流污染和改善城市生态环境等作用。
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