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| copper foil; foil copper | |||
| clutch gold; raised copper | |||
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铜箔 : 35 phrases in 9 subjects |
| Agriculture | 3 |
| Architecture | 1 |
| Electronics | 2 |
| General | 2 |
| Metallurgy | 8 |
| Plastics | 3 |
| Space | 1 |
| Technology | 12 |
| Telecommunications | 3 |
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