| |||
| 钻井最优化 | |||
| 钻井优化 | |||
|
drilling optimization : 5 phrases in 4 subjects |
| Drilling | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Navigation | 1 |
| Oil / petroleum | 2 |
| |||
| 钻井最优化 | |||
| 钻井优化 | |||
|
drilling optimization : 5 phrases in 4 subjects |
| Drilling | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Navigation | 1 |
| Oil / petroleum | 2 |