oil jack

The development and application of oil medium jack hydraulic pressure test equipment

油介质油缸液压试验台的开发与应用

Maybe they are going to jack up the price of oil.

他们可能会抬高石油价格.

Developing oil medium test equipment instead of water's, clear up disadvantages coming form testing in the oil medium jack, reduce costing, improve machine running quality.

通过研制油介质试验台取代水介质试验台，消除油介质油缸由试验带来的不利因素，降低使用成本，提高设备运行质量。

The article introduces the inverting way of assembling an oil tank by air jacking, and analyzes the pressure and air flow needed by air jack system.

介绍拱顶油罐的充气顶升倒装之施工方法，对充气所需风量、风压进行了分析。

Pump-jack is a mechanical device applied to exploit the oil and pumps oil through sucker rod.

抽油机是开采石油的一种机械设备，通过抽油杆的抽汲作用把油抽上来。