hydraulic efficiency meaning in English

流体效率
水力效率
液力效率
液压效率

The experiment shows that by changing the velocity coefficient , the separation of boundary layer on pump vane can be controlled , and the performance of pump is improved and its hydraulic efficiency
实验证明通过改变叶片型线参数方程中的速度系数的取值，可以控制边界层的分离，进而改善泵的性能，提高其水力效率。
Abstract : a research on theory and practice is conducted on the acoustic methods of discharge measurement in low head hydropower plant . taken hydraulic efficiency experiment in certain hydropower plant as examples , the general methods about how to locate the discharge measurement plane , install transducers and choose the integration methods are put forward . an improvement method is proposed finally
文摘:从理论上和实践上，对低水头电站超声波测流进行了较为详细的研究，并以某水电站为例，对测流断面定位、声路布置和面积积分给出了一般方法