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| resite stage B | |||
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阶 酚醛树脂 : 36 phrases in 9 subjects |
| Architecture | 3 |
| Automobiles | 1 |
| Chemistry | 2 |
| General | 5 |
| Oil / petroleum | 3 |
| Plastics | 9 |
| Polymers | 1 |
| Technology | 11 |
| Textile industry | 1 |
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