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| |||
| rate of flow | |||
| velocity of flowing through (air velocity at filter) | |||
| скорость протекания: 13 phrases in 11 subjects |
| Astronautics | 2 |
| Aviation | 2 |
| Electrochemistry | 1 |
| Mechanic engineering | 1 |
| Military | 1 |
| Nanotechnology | 1 |
| Oil / petroleum | 1 |
| Shipbuilding | 1 |
| Technology | 1 |
| Thermal engineering | 1 |
| Weapons of mass destruction | 1 |