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有机聚合物 : 43 phrases in 13 subjects |
| Automobiles | 1 |
| Aviation | 2 |
| Chemistry | 7 |
| Electronics | 2 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 2 |
| Hydroelectric power stations | 2 |
| Metallurgy | 1 |
| Oil / petroleum | 2 |
| Plastics | 5 |
| Polymers | 10 |
| Space | 3 |
| Technology | 5 |
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