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| engineering condition | |||
| 工程 条件: 30 phrases in 9 subjects |
| Bridge construction | 1 |
| Business | 1 |
| Compressors | 1 |
| Consulting | 1 |
| Engineering geology | 2 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Hydroelectric power stations | 1 |
| Project management | 2 |
| Technology | 20 |
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