Yunnan build the state oil reserve bases is the necessary choice for the state petroleum safement.

在此基础上，从可能性、必要性、紧迫性三方面上构想把兰州建成建立西北石油战略储备基地。

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Oil reserve bases assume the responsibility of conducting oil reserve business and daily maintenance on the bases.

石油储备基地具体承担石油储备业务的操作和基地的日常维护。

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Following the principle of unified planning and step-by-step implementation, China has built national oil reserve bases and expanded its oil reserve capacity.

遵循统一规划、步步执行的原则，中国建立了全国石油储备基地，扩大了石油储量。

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