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| 有经验的新飞行员 | |||
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hot rock : 14 phrases in 7 subjects |
| Business | 1 |
| Desert science | 1 |
| Earth sciences | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Geology | 3 |
| Mining | 2 |
| Technology | 5 |
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