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通过三次采油技术手段把地下的油气资源尽可能多地开采出来,这是对地下资源的充分利用,是源头的节约,对油气资源可持续发展具有战略意义
The underground oil and gas resources are mined as much as possible by the tertiary oil recovery technology, which is the full utilization of the underground resources, the saving of the source and the strategic significance of the sustainable development of the oil and gas resources