This article studies the riskofoil-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。
2
On the basis of the risk analysis ofoil import, this paper selects certain evaluation indexes and formulates the index system of evaluation to assess the overall riskofoil import.
在分析了石油进口风险的基础之上，选择了一定的评价指标，初步形成了石油进口整体风险评估指标体系。
3
BP resumed work on a relief well that will permanently end the riskof further oil escaping, Wells said.