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| gamma-gamma log | |||
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| gamma-gamma logging; gamma-gamma log | |||
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伽马-伽马测井 : 193 phrases in 7 subjects |
| Drilling | 16 |
| Earth sciences | 10 |
| Engineering geology | 7 |
| Explosives and Explosive Ordnance Disposal | 4 |
| Geophysics | 104 |
| Oil / petroleum | 32 |
| Technology | 20 |
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