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| 富集带 | |||
| 增浓段; 增浓区 | |||
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enrichment zone : 7 phrases in 5 subjects |
| Desert science | 1 |
| Engineering geology | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Oil / petroleum | 2 |
| Technology | 2 |
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