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| 异戊二烯橡胶合成的聚异戊二烯橡胶 | |||
| isoprene rubber: 29 phrases in 8 subjects |
| Automobiles | 1 |
| Chemistry | 6 |
| Oil / petroleum | 7 |
| Plastics | 2 |
| Polymers | 8 |
| Shipbuilding | 1 |
| Technology | 3 |
| Water resources | 1 |
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