hydraulic device

基本解释

In this paper, a barrel-recoil floating automatic gun with a spring-hydraulic device is dynamically analyzed.
本文对带弹簧液压浮动装置的炮身浮动式浮动自动炮进行了动力分析；
This testing precision equipment uses hydraulic device to achieve accurate and smooth lifting. The appearance of the equipment embodies the steady, technology, safe and reliable.
这款测试精密设备，运用液压装置进行准确平稳升降，整机外观体现稳重、科技、安全、可靠。
Compared with the existing art, the utility model has the advantages of greatly increasing the punching pressure with a simple construction of the hydraulic device and low cost in manufacture.
本实用新型与已有技术相比，具有既能大幅提升压制压力，同时，液压装置的结构简单、制造成本低的优点。
ip.com

Sources close to the investigation tell Forbes that Transocean engineers had last checked the blowout preventer 10 days before the rig explosion, and that BP believes the device suffered a leak of hydraulic pressure, preventing it from being able to shut the well.
FORBES: Fingers Crossed: Will BP's Box Stop Oil Spill?