 |
| |||
| bit changing | |||
| bit change; bit chamfer; changing bits; changing bit; CB (change of bit) | |||
| drilling bit change | |||
|
смена долота : 14 短语, 6 学科 |
| 技术 | 1 |
| 油和气 | 1 |
| 油田 | 3 |
| 石油/石油 | 6 |
| 石油和天然气技术 | 2 |
| 钻孔 | 1 |
|
| |||
| bit changing | |||
| bit change; bit chamfer; changing bits; changing bit; CB (change of bit) | |||
| drilling bit change | |||
|
смена долота : 14 短语, 6 学科 |
| 技术 | 1 |
| 油和气 | 1 |
| 油田 | 3 |
| 石油/石油 | 6 |
| 石油和天然气技术 | 2 |
| 钻孔 | 1 |