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| 岩心 | |||
| 岩芯 | |||
| rock core: 29 phrases in 8 subjects |
| Bridge construction | 4 |
| Electronics | 4 |
| Engineering geology | 5 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Hydroelectric power stations | 6 |
| Metallurgy | 1 |
| Project management | 1 |
| Technology | 7 |
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