This paper introduces several kinds of pressure - energy recovery equipment for residual hydraulic power used widely in industry, and discusses their advantages and disadvantages.
本文介绍了几种在工业上应用较为广泛的余压水力能量回收装置，评述了它们的优劣。
The overall design for the hydraulic top drive, discussed how to choice the motor, pump, and the design and layout of the gear box, the brake energy recovery and so on.
对液压顶驱进行了总体设计，讨论了马达、泵等的选择，减速箱的设计方案与布局，刹车制动能量回收等。
A plan was given to recovery energy in accelerated life test for the aero hydraulic pump.
最后探讨了航空液压泵加速寿命试验台的节能设计方案。
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