дослідний басейн із ротативною установкою
whirling arm
whirling surface
whirling work horse
main tank/ main fuel tank
anti-radiation missile (ARM)
Arm (of armed forces)
arm support
arm-and-hand signal
combat arm
combat support arm
Fleet Air Arm
idler arm
logistical arm
pitman arm
power arm
primary arm
rocking arm
service arm; branch
support arm
arm band
strong-arm rule
supporting arm virtual trainer (SAVT)
fuel pump rocker arm
rocker arm
rocker arm roller
rocker arm shaft
rocker arm shaft bracket
sling arm
belt-feed pawl arm
elevating arm
arm chest
arm guard