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| hydrocarbon with condensed nuclei | |||
| condensed nuclear hydrocarbon; hydrocarbon with condensed rings | |||
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稠环烃 : 11 phrases in 5 subjects |
| Chemistry | 3 |
| Oil / petroleum | 3 |
| Oil processing plants | 3 |
| Polymers | 1 |
| Technology | 1 |
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