火山边上的原油开采。

Oil extraction on the edge of a volcano.

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汽油是由地下开采的原油提炼而成的。

Petrol is refined from the crude oil we take out of the ground.

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径向井是一种新型高效的原油开采技术。

The ultra-short radius radial system (URRS) is a new highly efficient technology of oil recovery.

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径向井是一种新型高效的原油开采技术。

The ultra-short radius radial system (URRS) is a new highly efficient technology of oil recovery.

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