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| brass solder | |||
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黄 铜 焊 : 27 phrases in 9 subjects |
| Automobiles | 1 |
| Chemistry | 1 |
| Electric machinery | 1 |
| Electronics | 1 |
| General | 1 |
| Metallurgy | 7 |
| Shipbuilding | 1 |
| Space | 2 |
| Technology | 12 |
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