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| pental; trimethylethylene | |||
| trimethyl-ethylene; 2-methyl-2-butene | |||
| 三甲基 乙 烯: 36 phrases in 8 subjects |
| Chemistry | 6 |
| Electronics | 2 |
| General | 6 |
| Oil / petroleum | 1 |
| Perfume | 1 |
| Plastics | 5 |
| Polymers | 10 |
| Water resources | 5 |
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