 |
| |||
| 有保护的金属电弧焊接 | |||
| 气护金属电弧焊 | |||
| shielded metal arc: 36 phrases in 11 subjects |
| Automobiles | 2 |
| Aviation | 2 |
| Chemistry | 2 |
| General | 2 |
| Hydroelectric power stations | 2 |
| Metallurgy | 3 |
| Nautical | 1 |
| Oil / petroleum | 6 |
| Rail transport | 3 |
| Space | 2 |
| Technology | 11 |
|
| |||
| 有保护的金属电弧焊接 | |||
| 气护金属电弧焊 | |||
| shielded metal arc: 36 phrases in 11 subjects |
| Automobiles | 2 |
| Aviation | 2 |
| Chemistry | 2 |
| General | 2 |
| Hydroelectric power stations | 2 |
| Metallurgy | 3 |
| Nautical | 1 |
| Oil / petroleum | 6 |
| Rail transport | 3 |
| Space | 2 |
| Technology | 11 |