灌区量测
measurement in irrigation area
灌区节水改造
irrigation district’s water saving and improvement
irrigation area’s water saving and reform
Water saving reform
灌区绩效
benefit of irrigation district
灌区规划
irrigation district planning
灌区管理自动化
automation of irrigation area management
灌区管理信息系统
management information system in irrigation district
灌区管理体制改革
irrigation management system reform
灌区管理
irrigation district management
irrigation area management
management in irrigation district
irrigation management