 |
| |||
| gas torch welding (接); torch soldering (接); torch welding (接) | |||
| 气炬焊: 16 phrases in 5 subjects |
| Metallurgy | 9 |
| Nautical | 1 |
| Rail transport | 1 |
| Technology | 4 |
| Welding | 1 |
|
| |||
| gas torch welding (接); torch soldering (接); torch welding (接) | |||
| 气炬焊: 16 phrases in 5 subjects |
| Metallurgy | 9 |
| Nautical | 1 |
| Rail transport | 1 |
| Technology | 4 |
| Welding | 1 |