 |
| |||
| многокомпонентный раствор | |||
| combination solution: 7 phrases in 4 subjects |
| Drilling | 1 |
| Information technology | 1 |
| Oil / petroleum | 4 |
| Oil and gas technology | 1 |
|
| |||
| многокомпонентный раствор | |||
| combination solution: 7 phrases in 4 subjects |
| Drilling | 1 |
| Information technology | 1 |
| Oil / petroleum | 4 |
| Oil and gas technology | 1 |