 |
| |||
| fusion weld | |||
| 熔焊焊缝: 23 phrases in 7 subjects |
| Chemistry | 1 |
| Electronics | 1 |
| Hydroelectric power stations | 2 |
| Metallurgy | 11 |
| Oil / petroleum | 1 |
| Shipbuilding | 1 |
| Technology | 6 |
|
| |||
| fusion weld | |||
| 熔焊焊缝: 23 phrases in 7 subjects |
| Chemistry | 1 |
| Electronics | 1 |
| Hydroelectric power stations | 2 |
| Metallurgy | 11 |
| Oil / petroleum | 1 |
| Shipbuilding | 1 |
| Technology | 6 |