QC Group of Technology, the Seventh Oil Production Plant, Daqing Oilfields.
大庆油田第七采油厂工艺QC小组。
In addition, oilfield experimental work of the hydrocyclone for separating fine particles was carried out in Daqing Oilfields.
同时在大庆油田开展了水力旋流器用于分离细颗粒的现场实验研究工作。
After the discovery of Daqing and Shengli oilfields, China not only became self-sufficient in oil but also astonishingly emerged as a major oil producer and exporter.
在发现大庆和胜利油田之后，中国不但在石油供应方面成为自给自足，而且令人惊奇的成为一个主要的石油生产国和输出国。
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