石油综合利用 overall utilization of petroleum; utilization of petroleum 水库综合利用 reservoir comprehensive utilization .
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C5 fraction separation and comprehensive utilization is an important aspect of reasonable utilization of petroleum resource.
C_5馏分的分离与综合利用是合理利用石油资源的一个重要方面。
For the petroleum enterprise, efficient exploitation and utilization of petroleum science and technology archives can provide effective services for increase in oil reserve and production.
对于石油企业来说，搞好石油科技档案的开发利用，就能为增储上产提供有效的服务。
They mainly includes the utilization of ethene in dry gas and of propene and butylene in liquified petroleum gas.
重点包括干气中乙烯的利用、液化气中丙烯和碳四的利用。
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