| |||
| drilling bit change | |||
| bit change; bit chamfer; changing bits; changing bit; CB (change of bit) | |||
| bit changing | |||
|
смена долота : 14 phrases in 6 subjects |
| Drilling | 1 |
| Oil / petroleum | 6 |
| Oil and gas | 1 |
| Oil and gas technology | 2 |
| Oilfields | 3 |
| Technology | 1 |
| |||
| drilling bit change | |||
| bit change; bit chamfer; changing bits; changing bit; CB (change of bit) | |||
| bit changing | |||
|
смена долота : 14 phrases in 6 subjects |
| Drilling | 1 |
| Oil / petroleum | 6 |
| Oil and gas | 1 |
| Oil and gas technology | 2 |
| Oilfields | 3 |
| Technology | 1 |