The experiment shows that this method is a practical speed governing method.
实验表明，这是一种可行的调速方式。
The characteristics of low specific speed centrifugal pump are introduced, and the grid generation method for impeller passageway and the governing equations of calculation are also expatiated.
简要介绍低比速离心泵特点，阐述计算的控制方程和叶轮通道网格划分方法。
The method of AC frequency-converting speed-governing of spinning screw was introduced in stead of DC speed-governing method.
介绍在纺丝螺杆挤压机的调速方法中，用交流变频调速代替直流调速。
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