 |
| |||
| full-length welding; full weld | |||
| 满焊: 13 phrases in 5 subjects |
| Bridge construction | 1 |
| Drilling | 1 |
| Electronics | 1 |
| Space | 1 |
| Technology | 9 |
|
| |||
| full-length welding; full weld | |||
| 满焊: 13 phrases in 5 subjects |
| Bridge construction | 1 |
| Drilling | 1 |
| Electronics | 1 |
| Space | 1 |
| Technology | 9 |