серворуль; сервокомпенсатор
servo (mechanism)
control servo
autopilot servo unit
aileron servo unit
servo-controlled gimbal system
servomotor, servomechanism (servo)
on-call fires tab
protruding plastic tab
red tab
tab for deployment
trim tab
target acquisition battery (TAB)
flap tab
blade trim tab
fixed trim tab
geared tab
geared trim tab
plate tab
trimming tab
spring tab
tab
aileron trim tab actuator
balance and trim tab
control tab
balance tab
tab to an appendix