 |
| |||
| seam welding circumferential seam welding; transverse seam welding | |||
| circular seam welding; circumferential seam welding | |||
| circumferencial seam welding (raf) | |||
| поперечная роликовая сварка: 7 短语, 4 学科 |
| 冶金 | 3 |
| 建造 | 1 |
| 技术 | 2 |
| 电气工程 | 1 |
|
| |||
| seam welding circumferential seam welding; transverse seam welding | |||
| circular seam welding; circumferential seam welding | |||
| circumferencial seam welding (raf) | |||
| поперечная роликовая сварка: 7 短语, 4 学科 |
| 冶金 | 3 |
| 建造 | 1 |
| 技术 | 2 |
| 电气工程 | 1 |