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| core | |||
| core wire | |||
| core welding-wire | |||
| 焊芯: 86 phrases in 15 subjects |
| Automobiles | 5 |
| Aviation | 2 |
| Chemistry | 1 |
| Construction | 1 |
| Drilling | 1 |
| Electric machinery | 2 |
| Electronics | 17 |
| General | 1 |
| Metallurgy | 21 |
| Nautical | 1 |
| Oil / petroleum | 3 |
| Rail transport | 1 |
| Space | 1 |
| Technology | 28 |
| Telecommunications | 1 |
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