crudes

The basket price of the seven OPEC crudes Monday fell to 27.

Opec七个成员国,星期一提供的原油价格为27.98美元一桶.

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Analysts say It'shut in cheaper, heavier crudes in order to preserve profit margins.

分析人士表示,它减少了价格较低的重质原油的生产,以保持利润率.

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