 |
| |||
| опресовочное седло | |||
| test seat: 6 phrases in 6 subjects |
| Astronautics | 1 |
| Aviation | 1 |
| Oil and gas | 1 |
| Pipelines | 1 |
| Technology | 1 |
| Valves | 1 |
|
| |||
| опресовочное седло | |||
| test seat: 6 phrases in 6 subjects |
| Astronautics | 1 |
| Aviation | 1 |
| Oil and gas | 1 |
| Pipelines | 1 |
| Technology | 1 |
| Valves | 1 |