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| 压力值 | |||
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pressure value : 27 phrases in 8 subjects |
| Aviation | 1 |
| Bridge construction | 2 |
| Electric machinery | 1 |
| Explosives and Explosive Ordnance Disposal | 5 |
| Mining | 1 |
| Project management | 1 |
| Space | 1 |
| Technology | 15 |
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