So even though ExxonMobil pumps oil, it can't guarantee that its refining unit will be able to profitably process a barrel into gasoline or heating oil.

所以，尽管埃克森美孚能够开采出石油，但却不能保证公司的冶炼部门将原油冶炼成汽油或燃料油后就能赚钱。

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Smith says that with the solvent process, oil sands are still economical even if oil is $30 to $40 per barrel, close to what it was in the 1990s and early 2000s (in inflation-adjusted dollars).

他还说，在公司看来，如果利用溶剂处理技术的话，即使油价在30美元至40美元一桶也很划算，这个价位接近1990年代和21世纪前几年的水平（扣除通货膨胀的因素后）。

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This machine USES the special designed screw and barrel, die and extrusion process to produce plastic and wood products.

这台机器采用了特殊设计的螺杆和桶，模具和挤压过程，以生产塑料和木材产品。

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McCain favors less government spending, often chastising congressional colleagues for pork barrel earmarks and criticizing the budget process that allows them.

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As the thorough and at times interactive tour moves up each floor, visitors learn about the beer's state-of-the-art brewing process, its "cooperage" (barrel-making) and how it's transported to more than 150 countries.

CNN: 10 tours for every kind of drinker

Extracting the bitumen from the clay and sand and upgrading it into crude oil--by breaking its big hydrocarbon molecules into smaller, less viscous ones--is an expensive, energy-intensive process that consumes 650 cubic feet of natural gas for every barrel.

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