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弹性酯 : 60 phrases in 9 subjects |
| Chemistry | 7 |
| General | 3 |
| Oil / petroleum | 4 |
| Pharmacology | 1 |
| Plastics | 8 |
| Polymers | 16 |
| Space | 2 |
| Technology | 2 |
| Textile industry | 17 |
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