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聚合 材料 : 50 phrases in 14 subjects |
Automobiles | 1 |
Aviation | 1 |
Chemistry | 3 |
Forestry | 1 |
Medical appliances | 1 |
Metallurgy | 1 |
Nautical | 1 |
Oil / petroleum | 4 |
Plastics | 3 |
Polymers | 22 |
Shipbuilding | 1 |
Space | 5 |
Technology | 5 |
Wind Energy | 1 |