 |
| |||
| fillet in parallel shear (平行于切力的焊缝) | |||
| fillet in parallel shear; lateral weld | |||
| 侧面 焊 缝: 7 phrases in 3 subjects |
| Metallurgy | 2 |
| Rail transport | 1 |
| Technology | 4 |
|
| |||
| fillet in parallel shear (平行于切力的焊缝) | |||
| fillet in parallel shear; lateral weld | |||
| 侧面 焊 缝: 7 phrases in 3 subjects |
| Metallurgy | 2 |
| Rail transport | 1 |
| Technology | 4 |