W type ac, dc hydraulic power unit adopts the international popular k, special type gear pumps, pump motor, with more than 20 streamlined oil tank can satisfy different types of design.
型交、直流液压动力单元采用国际流行的K型齿轮泵，专用油泵电机，流线型油箱，具有20多种油路设计可满足不同类型的需要。
The pumping unit supplying the tested models consists in one horizontal shaft centrifugal pump driven by a variable speed D. C. motor itself controlled by a thyristor speed drive.
供给水轮机模型试验的水泵由一个卧式离心泵组成，由一个整流器自控制的变速电机带动。
The reducer unit is a reducer, a high pressure oil pump or a hydraulic motor.
减速机构为减速机、或高压油泵和液压马达。
The reducer unit is a reducer, a high pressure oil pump or a hydraulic motor.
减速机构为减速机、或高压油泵和液压马达。
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