 |
| |||
| индикатор уровня бурового раствора в резервуарах | |||
| mud pit level indicator: 5 phrases in 3 subjects |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Oilfields | 3 |
|
| |||
| индикатор уровня бурового раствора в резервуарах | |||
| mud pit level indicator: 5 phrases in 3 subjects |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Oilfields | 3 |