因此开展配流副特性研究，对开发设计这种多作用恒流轴向柱塞泵具有十分重要的指导意义和现实意义。

So, the study of characteristics of port plate pairs has great guiding significance and practical significance to the development and design of multi-action constant axial piston pump.

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所得结论，为进一步改进轴向柱塞泵配流副的性能提供了理论依据。

The conclusion offers a theoretical basis to improve the characteristics of distributing pair in axial piston pump.

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大量的研究表明，柱塞与滑靴之间的球铰副摩擦力很大程度上影响着轴向柱塞泵的性能及寿命。

A lot of study showed that the friction of the ball friction coupling between piston and slipper obviously affected the life-span and the performance of the axial piston pump.

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