The electric submarine pump is one of the important oil development tools, and its working status affects directly oil output.

潜油电泵是重要的采油工具之一，其运行状况直接影响油田产量。

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Vacuum pump is a relatively sophisticated equipment, it's working medium is a special high boiling point, low-volatile oil pump, its effectiveness depends on the mechanical pump and pump oil quality.

真空油泵是一种比较精密的设备，它的工作介质是特制的高沸点、低挥发的泵油，它的效能取决于油泵的机械结构和泵油的质量。

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All hydraulic load sensing steering that supplies oil on demand preferentially and valve working hydraulic system of single pump priority are economic and energy-saving.

优先按需供油的全液压负荷传感转向及单泵优先阀门工作液压系统，经济节能。

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The working group was first set up last year when we saw a spike in oil prices and prices at the pump for Americans.

WHITEHOUSE: Press Briefing