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从节能观点出发，通过对水泵运行特性的理论分析，介绍了水泵节能的几项主要技术途径和工况调节方法，并阐述了高效调速设备的应用和选择。
From the point of view of energy conservation, this paper introduces several main technical approaches and condition adjustment methods of pump energy saving through the theoretical analysis of pump operating characteristics, and expounds the application and selection of high-efficiency speed governing equipment.