One of the most important properties of a metal working oil is not lubrication but?

金属加工液特性中除了润滑性之外，还有一个最重要的特性是什么？

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Moving out of the laboratory and onto the water, with a working oil-collection system, is the next step.

计划的下一步是将实验用之于实践，并形成一个收集石油的体系。

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The application situation of chlorinated paraffin in the field of metal working oil is analyzed as well as its market prospects.

分析了氯化石蜡在金属加工油方面的应用情况和市场前景。

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Jarvis said the government has been working closely with BP to better understand how the oil changes as it moves through the Gulf.

VOA: standard.2010.05.26

She credited the government in Luanda for moving to reduce corruption in the oil sector by publishing revenues on line and working with U.S.officials to increase transparency.

VOA: standard.2009.08.10

Moving out of the laboratory and onto the water, with a working oil-collection system, is the next step.

ECONOMIST: Monitor

"Oil and gas prices are high, and they are here to stay, " says Plummer, standing in shirtsleeves in front of a working oil well.

FORBES: Magazine Article

Working unexplored oil basins and paying a modest 20% royalty to the Colombian government, those ventures now generate 10% of Lewis' output.

FORBES: Magazine Article