Offshore drilling platforms extend the search for oil to the ocean's continental shelves—those gently sloping submarine regions at the edges of the continents.

海底钻井平台将寻找石油的区域延伸到了海洋大陆架——大陆边缘那些平缓倾斜的海底区域。

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If the regenerative air dryer will be oil steam can be in its pollution, upstream oil filters to set up steam extend the service life of desiccant.

如果再生式空气干燥器会被油蒸气污染，则可在其上游设置油蒸气过滤器，以延长干燥剂的使用寿命。

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Total, the French oil firm that owns the refinery, hired Jacobs, a Californian engineering outfit, to extend the plant.

炼油厂的母公司——法国道达尔(Total)石油公司，雇佣加州工程设备公司雅各布(Jacobs)扩建工厂。

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Both want to extend oil and gas exploration.

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Discussion centered around political issues and did not extend to specific oil or gas projects, Amirahmadi said.

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But the Hebron oil field is believed to extend southward into U.S. waters with its billion-barrel potential.

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