| |||
bead joint; projecting weld | |||
reinforced seam | |||
| |||
convex weld; projection weld | |||
| |||
bead joint |
凸焊缝 : 20 phrases in 8 subjects |
Architecture | 1 |
Automobiles | 1 |
Electric machinery | 3 |
Electronics | 2 |
Metallurgy | 5 |
Plastics | 3 |
Rail transport | 1 |
Technology | 4 |