| |||
vertical electrical sounding | |||
electric sounding; electrical sounding |
电测深 : 120 phrases in 10 subjects |
Air defense | 1 |
Drilling | 1 |
Earth sciences | 4 |
Electronics | 1 |
Engineering geology | 3 |
Explosives and Explosive Ordnance Disposal | 2 |
Geophysics | 35 |
Hydroelectric power stations | 2 |
Oil / petroleum | 17 |
Technology | 54 |