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| vulcabond | |||
| diisocyanate | |||
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二异氰酸酯 : 73 phrases in 8 subjects |
| Chemistry | 22 |
| General | 5 |
| Oil / petroleum | 11 |
| Plastics | 9 |
| Polymers | 10 |
| Space | 3 |
| Technology | 12 |
| Water resources | 1 |
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