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联接管 : 32 phrases in 11 subjects |
| Architecture | 1 |
| Compressors | 1 |
| Drilling | 1 |
| Engineering geology | 2 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Metallurgy | 4 |
| Nautical | 1 |
| Navigation | 1 |
| Oil / petroleum | 5 |
| Project management | 1 |
| Technology | 14 |
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