 |
| |||
| 开发井; 生产井; 开采井; 采油井 | |||
| 开挖机 | |||
| |||
| 开发井包括生产井，备用井，观察井，压力监测井，注水井，污水回注井等 | |||
| эксплуатационная скважина: 19 phrases in 5 subjects |
| General | 5 |
| Oil / petroleum | 1 |
| Oil and gas technology | 1 |
| Oilfields | 11 |
| Technology | 1 |
|
| |||
| 开发井; 生产井; 开采井; 采油井 | |||
| 开挖机 | |||
| |||
| 开发井包括生产井，备用井，观察井，压力监测井，注水井，污水回注井等 | |||
| эксплуатационная скважина: 19 phrases in 5 subjects |
| General | 5 |
| Oil / petroleum | 1 |
| Oil and gas technology | 1 |
| Oilfields | 11 |
| Technology | 1 |