Equipped with four hydraulic level of support, quickly leveling rig is simple, safe and reliable.

装有四个液压水平支撑，可迅速调平钻机，操作简便，安全可靠。

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Design of a hydraulic cylinder test rig, designed their control system.

设计了一台液压缸试验台，设计了其控制系统。

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Under the international and domestic trend, our factory has developed the HYDX-5 Full Hydraulic Operated Core Dill Rig.

根据国际和国内的趋势，我们的工厂已经开发出hydx - 5全液压操作为核心的莳萝钻机。

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More hydraulic fracturing capacity in North Dakota will help boost rig count because of fewer idle wells.

FORBES: Baker Hughes Ramps Up Oil Fracking On Low Natural Gas Prices

Each of the software-controlled hydraulic rams can deliver a force of 20 tonnes, giving the rig the ability to mimic the effects of different types of train.

BBC: World's railway future born in Edinburgh test lab

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?