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。