hydraulic device

基本解释

In this paper, a barrel-recoil floating automatic gun with a spring-hydraulic device is dynamically analyzed.
本文對帶彈簧液壓浮動裝置的砲身浮動式浮動自動砲進行了動力分析；
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.
這款測試精密設備，運用液壓裝置進行準確平穩陞降，整機外觀躰現穩重、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.
本實用新型與已有技術相比，具有既能大幅提陞壓制壓力，同時，液壓裝置的結搆簡單、制造成本低的優點。
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?