释义 |
pumping units 基本例句 抽油机 To provide a basis for precise calculation of pumping Unit, it is necessary to make a elastodynamic analysis on the u-nit.要对抽油机的设计提供较为精确的理论计算依据,必须对抽油机进行弹性动力分析。 This paper mainly focuses on the fluctuation of velocity and torque of the electromotor because of the variational load in the pumping unit equipment.摘要抽油机中载荷变化大,易引起电动机转速和转矩的波动。 |