 |
| |||
| automatic multi-head welding machine | |||
| multihead automatic welding machine | |||
| 多头自动焊机: 4 phrases in 2 subjects |
| Metallurgy | 1 |
| Shipbuilding | 3 |
|
| |||
| automatic multi-head welding machine | |||
| multihead automatic welding machine | |||
| 多头自动焊机: 4 phrases in 2 subjects |
| Metallurgy | 1 |
| Shipbuilding | 3 |