Petroleum enterprises establish a fair competition mechanism, a mechanism to create a competitive environment posts.

建立石油企业内部公平竞争机制，创造竞争上岗的机制环境。

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In order to create a fair international trade environment.

为了营造一个公平的国际贸易环境。

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In order to create a fair international trade environment.

为了营造一个公平的国际贸易环境。

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