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| reaction of combination | |||
| combination reaction | |||
| 化合反应: 16 phrases in 10 subjects |
| Automobiles | 1 |
| Aviation | 1 |
| Electronics | 1 |
| General | 1 |
| Metallurgy | 3 |
| Oil / petroleum | 2 |
| Plastics | 1 |
| Polymers | 1 |
| Technology | 4 |
| Water resources | 1 |
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