 |
| |||
| gas tungsten arc (焊接) | |||
| 保护气体钨弧: 22 phrases in 6 subjects |
| Aviation | 2 |
| Electric machinery | 2 |
| Electronics | 2 |
| Metallurgy | 7 |
| Oil / petroleum | 2 |
| Technology | 7 |
|
| |||
| gas tungsten arc (焊接) | |||
| 保护气体钨弧: 22 phrases in 6 subjects |
| Aviation | 2 |
| Electric machinery | 2 |
| Electronics | 2 |
| Metallurgy | 7 |
| Oil / petroleum | 2 |
| Technology | 7 |