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| 研究法辛烷值世界各国大都用研究法辛烷值，国产汽油按研究法命名的有90号、93号和 97号 | |||
| 辛烷值研究 | |||
| 研究法辛烷值 | |||
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| research octane number: 12 phrases in 3 subjects |
| Automobiles | 1 |
| Oil / petroleum | 6 |
| Oil processing plants | 5 |
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