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| 手工焊 | |||
| 手动焊接 | |||
| 手工焊接 | |||
| 手焊; 手工焊按; 人工焊接 | |||
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| 手工焊缝 | |||
| hand welding: 24 phrases in 9 subjects |
| Bridge construction | 2 |
| General | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 8 |
| Oil / petroleum | 3 |
| Plastics | 5 |
| Rail transport | 1 |
| Technology | 2 |
| Wind Energy | 1 |
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