A black or dark brown shale containing hydrocarbons that yield petroleum by distillation.

一种黑色或深褐色的页岩，含有碳氢化合物，通过提炼可产石油。

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Customer groups cover a wide range, including: black metal smelting, casting, metal processing, petroleum, petrochemical, and other.

公司客户群体涉及广泛，包括：黑色金属、冶炼、铸造、金属加工、石油、石化等。

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The weak link in pavement is bitumen, the black petroleum product that holds the bits of rock together.

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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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Indeed, the Anglo-Dutch multinational announced today that it had inked an agreement to acquire Koch Materials China , which is involved in the manufacture and marketing of bitumen--that black viscous residue taken from the distillation of crude petroleum--in the country.

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