| |||
打钻; 钻进 | |||
开洞凿眼; 井钻; 油井钻进 | |||
钻井; 钻孔 | |||
| |||
钻井 | |||
管钻井 |
бурения скважин : 100 phrase in 14 subjects |
Caspian | 1 |
Construction | 2 |
Drilling | 27 |
Electronics | 2 |
Environment | 3 |
General | 30 |
Geology | 7 |
Gold mining | 1 |
Mining | 1 |
Oil / petroleum | 17 |
Oil and gas | 1 |
Oil and gas technology | 1 |
Technology | 6 |
United Nations | 1 |