Our oil transportation characteristic as following: huge risk, a long voyage across troublesome ocean area, unreasonable structure of fleet.

我国海上石油运输具有风险大、航线长、海区复杂、船队规模和结构不合理的特点。

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This article studies the risk of oil-importing from three aspects, namely, the origin of import, transportation and price.

石油进口风险包括：进口源地、运输和价格三个方面的因素。

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