- sinking speed
- скорость проходки (вертикальной или наклонной выработки) ;
скорость углубки (шахтного ствола)
Большой англо-русский и русско-английский словарь. 2001.
Большой англо-русский и русско-английский словарь. 2001.
sinking speed — noun : the rate of vertical descent of an airplane in a steady glide * * * sinking speed, the speed at which an airplane, bird, or other flying object descends vertically while gliding … Useful english dictionary
sinking speed — speed at which a body falls toward the ground … English contemporary dictionary
Speed to fly — is a principle used by soaring pilots when flying between sources of lift, usually thermals, ridge lift and wave. The aim is to maximize the average cross country speed by optimizing the airspeed in both rising and sinking air. The optimal… … Wikipedia
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