探 井 : 285 phrases in 18 subjects |
Company name | 6 |
Construction | 1 |
Drilling | 42 |
Earth sciences | 11 |
Ecology | 1 |
Economy | 1 |
Electronics | 1 |
Engineering geology | 17 |
Explosives and Explosive Ordnance Disposal | 2 |
General | 1 |
Geology | 22 |
Geophysics | 58 |
Hydroelectric power stations | 4 |
Mining | 2 |
Nuclear physics | 1 |
Oil / petroleum | 45 |
Rail transport | 2 |
Technology | 68 |