It is an important factor for the perfect matching between the maximal input power of the hydraulic oil pump and the maximum output power of the engine in the design process of the hydraulic shovel.

液压油泵的最大输入功率与发动机的最大输出功率之间的匹配问题是液压挖掘机设计过程中的一个重要内容。

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This paper introduces the function of high pressure water for descaling, Application problem and manage of centrifugal pump, the perfect technique of system reforms.

简介了热轧三期技改项目高压水除鳞系统的性能，离心泵应用问题及治理，系统完善技改。

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Waterpower part: adopting the perfect waterpower model design to make the runoff, lift and efficiency of the pump more reasonably.

水力部分：采用优秀水力模型设计，使水泵流量、扬程、效率三者更为合理。

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