This is not true in oil quenching, when the surface temperature may be high during the critical stages of quenching.

但油淬情况就不是如此，因为油淬时在淬火临界阶段零件表面的温度可能仍然很高。

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Then it gets rather more high-tech. Capua's high-vacuum, low-temperature equipment removes bergaptene, an irritant, from the oil; and it is then stored under nitrogen gas to stop it oxidising.

后来萃取的方法更加更高科技化了，卡普阿公司的高压低温设备能将刺激物，bergaptene(一种脂)与油分离；然后将香油储存在氮气中防止其氧化。

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This paper proposed the reasonable amount and the temperature of adding silica flour after studying the strength retrogression of Romania S_2 oil cement at high temperature.

本文通过研究罗马尼亚s_2油井水泥在高温下形成水泥石的强度衰退规律，提出合理的加砂量并讨论了应加砂的温度范围。

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As he pumped the stock with press releases like the one claiming Digital Gas had a "high temperature fuel cell" that would unlock as much as 1.1 billion gallons of oil from a neglected oil shale deposit, New Jersey officials say, Smith was using stock to renovate his home and pay his attorney.

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