| |||
| индикатор плотности бурового раствора | |||
|
mud density indicator : 4 phrases in 2 subjects |
| Oil / petroleum | 3 |
| Oil and gas technology | 1 |
| |||
| индикатор плотности бурового раствора | |||
|
mud density indicator : 4 phrases in 2 subjects |
| Oil / petroleum | 3 |
| Oil and gas technology | 1 |