повітряний гвинт / пропелер
propulsive efficiency
propulsive gas
propeller propulsive thrust
propulsive efficiency of a propeller
propulsive horse-power of propeller
breech screw
screw breechblock
cap retaining pin screw
bipod body wing screw
deflector clamp screw
lever damp screw
Venturi lock screw
elevating screw joint pin nut
elevating screw knob
elevating screw mechanism
elevating screw tube
lower elevating screw
rear-sight elevating screw knob
screw elevating mechanism
adjustable screw wrench
automatic cocking lever plunger spring screw
barrel-catch screw
bellcrank stop screw
belt adjuster screw
binder screw
bleeder valve screw
breech-screw carrier
butt plate screw
butt tang screw
butterfly screw
clamp ring positioning screw
clutch pedal stop screw