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。
The structure and seal principle of the seal components of HAGC cylinder and oil film bearing of backup roll were introduced.
介绍了HAGC油缸和支承辊油膜轴承用密封件的结构和密封原理，对两种大型进口密封进行了国产化研究，并成功用于实际生产中，密封效果良好。
This paper mainly discusses the classification of sedimentary basins in accordance with the structure of oil and gas - bearing basins.
该文主要从沉积盆地的结构上进行盆地分类，共分为三类八型。
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