rate-distortion
rated-power
rate-fixing
rate-grown
rate-limiting
ratemeter
rate-of-change
rate-of-climb
rate-of-failure
rate-of-feed
  rate-of-flow
rate-of-rise
rate-of-turn
rate-setting
rathole
rat-holing
rating
ratio
ratio-balance
ratio-differential
ratiometer

    rate-of-flow indicator

     расходомер

     индикатор расхода