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| пиролиз-крекинг | |||
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热 解 -热裂 : 12 phrases in 7 subjects |
| Chemistry | 2 |
| Electronics | 1 |
| General | 1 |
| Geochemistry | 1 |
| Oil / petroleum | 1 |
| Oil processing plants | 3 |
| Technology | 3 |
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