分离石油主要采用的方法就是分馏，然后通过深加工才能得到可以销售的石油产品。

The main method of separation used in refineries is fractional distillation although further processing is normally required to produce marketable petroleum products.

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馏分油中的石油酸是造成馏分油加工设备腐蚀，馏分油产品使用性能不合格的主要原因。

Petroleum acid in the fraction oil is the main reason that the fraction oil processing equipment to corrode, fraction oil product operational perform(?) nce unqualified.

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主要工业产品：石油和天然气、食品加工、纸张生产、纸浆、金属制品、化工产品和木材。造船业也是挪威重要工业。

Industrial products: oil and gas, processed food, paper products, pulp, metals, chemicals, timber. Shipbuilding is also an important industry.

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