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| pointed soldering copper; soldering tool | |||
| soldering copper; soldering iron | |||
| 钎焊烙铁: 8 phrases in 6 subjects |
| Electronics | 1 |
| General | 1 |
| Metallurgy | 3 |
| Rail transport | 1 |
| Space | 1 |
| Technology | 1 |
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