It provided evidence for selecting the optimum methods and technology parameters of oil extracting.

为选择最佳的油脂提取方法与工艺参数提供了一定依据。

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This apparatus is mainly used in oil extracting operation of margin well, stripper well and abandon well of oil field.

该设备主要用于对油田边缘井、低产井及废井的采油作业。

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OBJECTIVE To ascertain the conditions for the volatile oil extracting, alcohol-extracting and water-extracting from Weiyanting capsules.

目的确定胃炎停胶囊中各组分的醇提、挥发油提取、水煎煮提取的工艺条件。

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Whereas most big western firms such as Mobil and Esso are expert at finding crude oil, extracting it from the ground, turning it into petrol and then selling it, Japanese firms tend merely to refine the stuff and sell it.

ECONOMIST: Japan��s oil industry

It was a desire to keep the oil cartel's market power in check during the oil-price shocks of the 1970s that led western oil companies, denied access to the bounties of the Gulf, to begin extracting oil from the North Sea, Alaska, the Gulf of Mexico and elsewhere.

ECONOMIST: Drilling on Wall Street | The

The third group carries out most of the tasks involved in finding and extracting oil.

ECONOMIST: Oil firms you have never heard of are booming