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| 气体保护金属极电弧焊 | |||
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| 气体保护焊 | |||
| 气体保护金属弧焊 | |||
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| 气体保护金属弧焊 | |||
| gas-shielded metal-arc welding: 11 phrases in 7 subjects |
| Automobiles | 1 |
| Chemistry | 1 |
| General | 1 |
| Metallurgy | 2 |
| Nautical | 1 |
| Oil / petroleum | 2 |
| Technology | 3 |
|
| |||
| 气体保护金属极电弧焊 | |||
| |||
| 气体保护焊 | |||
| 气体保护金属弧焊 | |||
| |||
| 气体保护金属弧焊 | |||
| gas-shielded metal-arc welding: 11 phrases in 7 subjects |
| Automobiles | 1 |
| Chemistry | 1 |
| General | 1 |
| Metallurgy | 2 |
| Nautical | 1 |
| Oil / petroleum | 2 |
| Technology | 3 |