 |
| |||
| испытания НКТ (MichaelBurov) | |||
| tubing testing: 5 phrases in 2 subjects |
| Oil and gas | 4 |
| Oil and gas technology | 1 |
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