This paper introduces a kind of automatic control instrument for of oil extracting.

介绍一种榨油工艺的自动控制仪表。

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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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Oil extracting efficiency with good energy saving characters has been an imperative problem remained to be solved.

抽油机节能增效一直是生产中迫切需要解决的问题。

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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