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介绍了涡旋油泵泄漏的计算方法，经实机测定此模型能较好的预测涡旋油泵性能，为减少涡旋油泵附加功率损耗，提高油泵效率提供了计算依据
The calculation method of vortex pump leakage is introduced. The real machine test results show that the model can predict the vortex pump performance well, and provide the basis for reducing the additional power loss and improving the efficiency of the vortex pump