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| 焊接段; 焊接区 | |||
| 焊接区域; 熔合区 | |||
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| 焊缝区 | |||
| 焊接区 | |||
| 焊接区域; 熔合区 | |||
| 焊接部分 | |||
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welding zone : 14 phrases in 8 subjects |
| Architecture | 1 |
| Computer numerical control | 1 |
| Electronics | 1 |
| General | 1 |
| Oil / petroleum | 2 |
| Plastics | 1 |
| Space | 2 |
| Technology | 5 |
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