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摩阻系 数 : 19 phrases in 8 subjects |
| Aviation | 1 |
| Earth sciences | 2 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Nautical | 1 |
| Oil / petroleum | 4 |
| Technology | 8 |
| Wind Energy | 1 |
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