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| 统一价格即石油输出国组织对同种原油制定的统一价格 | |||
| 原油单一价格 | |||
| 单一价格 | |||
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| 单一价格 | |||
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single price : 3 phrases in 3 subjects |
| Agriculture | 1 |
| Business | 1 |
| Finances | 1 |
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