成本缺口日益严重，既给采油单位经营管理带来了困难和压力，也减缓了油气开发的步伐。
The cost gap is day by day serious, also gave the extraction unit management and operation to bring the difficulty and the pressure, also slowed down the oil gas development step.
成本缺口日益严重，既给采油单位经营管理带来了困难和压力，也减缓了油气开发的步伐。
The cost gap is day by day serious, also gave the extraction unit management and operation to bring the difficulty and the pressure, also slowed down the oil gas development step.
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