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铜电解 : 50 phrases in 9 subjects |
| Earth sciences | 2 |
| Electric machinery | 2 |
| Electronics | 1 |
| Metallurgy | 23 |
| Physics | 1 |
| Polygraphy | 1 |
| Rail transport | 1 |
| Shipbuilding | 1 |
| Technology | 18 |
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