本文阐述了用液压驱动水泵设计制造移动泵站（车）的方法、原理；
The paper also addresses the methods and principles of making moveable pumping station using hydraulic-pressure driven pump.
采用行星传动差速器的卧螺离心机存在很多不足，提出了用液压方式驱动卧螺离心机的方法。
Because planet differential gearing has some weakness someone suggests we can use hydraulic transmission to drive the horizontal screw decanter.
分析了在大型筛机上采用普通电机直接驱动激振器方法所存在的问题，提出用液压控制系统解决问题的方案。
This paper analyzed the problems related to the large vibrating screen directly driven by ordinary motor, and raised the idea of using hydraulic control system to tackle the problems.
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