pumping units
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美
- 抽油机
双语例句
- 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。
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