 |
| |||
| added metal; build-up the metal | |||
| 熔接金属: 10 phrases in 5 subjects |
| Aviation | 1 |
| Computer numerical control | 1 |
| Electronics | 1 |
| Metallurgy | 3 |
| Technology | 4 |
|
| |||
| added metal; build-up the metal | |||
| 熔接金属: 10 phrases in 5 subjects |
| Aviation | 1 |
| Computer numerical control | 1 |
| Electronics | 1 |
| Metallurgy | 3 |
| Technology | 4 |