In the process of oil production, the submersible reciprocating pump is driven by linear motor, such pump application is novel lifting method which has been considered as with good controllability.

在石油开采过程中，利用直线电机驱动潜油往复泵是一种新型举升方式。这种举升方式可使抽油机具有较好的可控性。

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This system could precisely machine elliptic parts with high speed by the micro-reciprocating feed motion of linear motor and the high speed performance of electrical spindle.

结合直线电机的微量往复进给运动和电主轴的高速性能，实现了对椭圆零件的高速精密加工。

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The paper introduce some new reciprocating pumps, analyze their pros and cons, and a conception of a new linear motor-driven reciprocating pump is proposed.

本文主要介绍了几种新型往复泵，分析了各种泵的优缺点，并提出了一种直线电机往复泵的构想。

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