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详细综述了低比速离心泵的流动理论；性能研究方面的两大基本要求即效率和可靠性要求；水力设计方法及其内部流场研究现状，旨在提出进一步发展的趋势和方向，为进一步的研究提供指导性建议。
In this paper, the flow theory of low specific speed centrifugal pumps is reviewed in detail. The two basic requirements in performance study are the requirements of efficiency and reliability. The research status of hydraulic design method and its internal flow field is aimed at putting forward the trends and directions for further development. The study provides guidance.