| |||
| замена долота; смена долота | |||
|
bit changing : 12 phrases in 6 subjects |
| Computers | 1 |
| Mass media | 2 |
| Oil / petroleum | 6 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Programming | 1 |
| |||
| замена долота; смена долота | |||
|
bit changing : 12 phrases in 6 subjects |
| Computers | 1 |
| Mass media | 2 |
| Oil / petroleum | 6 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Programming | 1 |