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| 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 |
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