 |
| |||
| pulse-echo technique | |||
| импульсный эхо-метод: 8 phrases in 7 subjects |
| Makarov | 1 |
| Metrology | 1 |
| Oil / petroleum | 1 |
| Pipelines | 2 |
| Quality control and standards | 1 |
| Technology | 1 |
| Welding | 1 |
|
| |||
| pulse-echo technique | |||
| импульсный эхо-метод: 8 phrases in 7 subjects |
| Makarov | 1 |
| Metrology | 1 |
| Oil / petroleum | 1 |
| Pipelines | 2 |
| Quality control and standards | 1 |
| Technology | 1 |
| Welding | 1 |