由测量结果可知：在双叶片叶轮内，流体基本沿叶片吸力面流动，叶片压力面上的相对速度较低，在压力面出口出现了速度很低的回流区，有明显“射流-尾迹”特征。
The results indicated that in the two-blade impeller, the fluid mainly flowed along the suction side, the velocity is very small on the pressure side, and a typical jet-wake flow has been observed.
由测量结果可知：在双叶片叶轮内，流体基本沿叶片吸力面流动，叶片压力面上的相对速度较低，在压力面出口出现了速度很低的回流区，有明显“射流-尾迹”特征。
The results indicated that in the two-blade impeller, the fluid mainly flowed along the suction side, the velocity is very small on the pressure side, and a typical jet-wake flow has been observed.
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