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碳精 : 53 phrases in 14 subjects |
| Advertising | 1 |
| Architecture | 2 |
| Automobiles | 6 |
| Chemistry | 1 |
| Earth sciences | 1 |
| Electric machinery | 4 |
| Electronics | 4 |
| Metallurgy | 12 |
| Oil / petroleum | 2 |
| Pharmacology | 1 |
| Shipbuilding | 1 |
| Space | 1 |
| Technology | 14 |
| Telecommunications | 3 |
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