пласка паралельна течія
plane of rotation / tip path plane
plane-to-plane communication
tip path plane / plane of rotation
plane isentropic flow
plane non-isentropic flow
plane of flow
parallel barrage
parallel pursuit
spiral parallel groove
creeping parallel barrage
immovable parallel barrage
parallel sweep search
dependent parallel approach
independent parallel approach
parallel
parallel approach
parallel rule(r)
parallel track pattern
get the guns parallel on their zero line
parallel fire
parallel lines of fire
parallel screw
parallel sheaf
parallel staff
parallel training
parallel trench
attack plane
diving plane
float-type plane
ground plane antenna
lifting plane (lifting surface area)
pilotless reconnaissance plane