In 2007, according to Petroleum Intelligence Weekly, 70% of world oil production was controlled by national oil companies.
2007年，根据石油情报周刊，世界70%的石油生产被国有石油公司控制。
In 2007, according to Petroleum Intelligence Weekly, 70% of world oil production was controlled by national oil companies.
2007年，根据石油情报周刊，世界70%的石油生产被国有石油公司控制。
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