目前使用广泛的双作用叶片泵存在着较大的能量浪费；
The double action vane pump using extensively at present has great energy waste;
定子过渡曲线的设计是高性能双作用叶片泵设计的技术关键。
Design contour curves of the stator transition zone is a technical key-problem for the design of double-acting vane pump of high-performance.
针对双作用叶片泵出现的噪声问题进行探讨，并提出了降低叶片泵噪声的相关途径。
The noise question of the double-acting vane pump was discussed, and the related ways were proposed to reduce the vane pump noise.
本文分析了双作用叶片泵配流窗口的流动状态对泵的性能的影响，并提出了改善配流窗口流动状态的结构措施。
This article analyzes the affect of flow condition in distributor opening on two action vane pump performance and gives the design, improving flow condition in distributor opening.
双作用式变量叶片泵是一种新型变量泵。
The double-acting variable-vane pump is a new type of variable pump.
双作用式变量叶片泵是一种新型变量泵。
The double-acting variable-vane pump is a new type of variable pump.
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