The oil-bearing structure of the new oil field has been verified.

新油田的含油层结构已经探明。

《新英汉大辞典》

A new double action oil well pump, which has been progressed field experiment, is discussed on its structure, principle and characteristics here.

对一种新型双作用抽油泵的结构、工作原理、技术特点进行了研制并进行了现场试验。

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Therefore, in oil and gas field exploration and development process, the geological structure is necessary to first consider the question.

因此在油气田勘探和开发过程中， 地质构造是必须要首先考虑的题目。

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