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| 碳极气体保护电弧焊 | |||
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| 气体保炉碳〔电极电〕弧焊〔接法〕 | |||
| 气体保护碳极电弧焊 | |||
| 气体 保护碳弧焊 | |||
| 气保护碳弧焊 | |||
| gas carbon- arc welding: 7 phrases in 5 subjects |
| Automobiles | 1 |
| Compressors | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 2 |
| Technology | 2 |
|
| |||
| 碳极气体保护电弧焊 | |||
| |||
| 气体保炉碳〔电极电〕弧焊〔接法〕 | |||
| 气体保护碳极电弧焊 | |||
| 气体 保护碳弧焊 | |||
| 气保护碳弧焊 | |||
| gas carbon- arc welding: 7 phrases in 5 subjects |
| Automobiles | 1 |
| Compressors | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 2 |
| Technology | 2 |