 |
| |||
| air-acetylene welding | |||
| oxyacetylene welding; oxygen-acetylene welding | |||
| 氧气 乙 炔焊: 8 phrases in 2 subjects |
| Metallurgy | 2 |
| Technology | 6 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips