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| aerated layer | |||
| loose bed | |||
| unconsolidated formation | |||
| 松散层: 24 phrases in 10 subjects |
| Architecture | 1 |
| Desert science | 1 |
| Drilling | 1 |
| Earth sciences | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 2 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Technology | 14 |
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