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| 风速 | |||
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speed of wind : 16 phrases in 9 subjects |
| Air defense | 1 |
| Aviation | 1 |
| Bridge construction | 1 |
| Ecology | 1 |
| Electric machinery | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Rail transport | 1 |
| Technology | 5 |
| Wind Energy | 4 |
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