Petroleum is the general term for solid, liquid or gaseous hydrocarbons.

石油是固体，液体或气体碳氢化合物的总称。

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Petroleum exploration and resource evaluation system has characteristics of solid theoretical basis, advanced algorithm, convenient usage and wide application.

石油勘探和资源评价系统具有理论基础扎实、 算法先进、使用方便、应用广泛等特点。

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The organic solid deposition in oil and gas system has been a serious problem in the petroleum industry.

油气体系中有机固相沉积问题一直是石油工业界所面临的严峻问题，它伴随着石油生产和加工的各个环节。

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Households with oil-fired central heating, and those using solid fuel or liquid petroleum gas to heat their homes, are much more likely to be in fuel poverty than "on-grid" households.

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Petroleum coke is the solid black gunk left over at the end of the oil refining process.

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