And the horsepower of surface motor is ascertained through anticipating the operating power of motor shaft according to the power of lifting liquid and rotational speed of PCP.
由举升流体所需功率和螺杆泵转速预测电动机轴的负载功率，确定地面电机额定功率。
And the horsepower of surface motor is ascertained through anticipating the operating power of motor shaft according to the power of lifting liquid and rotational speed of PCP.
由举升流体所需功率和螺杆泵转速预测电动机轴的负载功率，确定地面电机额定功率。
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