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| condensed | |||
| 凝缩的: 17 phrases in 9 subjects |
| Bridge construction | 4 |
| Drilling | 1 |
| Electronics | 1 |
| Engineering geology | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 3 |
| Refrigeration | 1 |
| Space | 1 |
| Technology | 4 |
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