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| fluid velocity | |||
| 流体速度: 14 phrases in 8 subjects |
| Aviation | 3 |
| Desert science | 1 |
| Geophysics | 2 |
| Metallurgy | 1 |
| Oil / petroleum | 2 |
| Shipbuilding | 1 |
| Space | 1 |
| Technology | 3 |
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