дозівний зворотний клапан
check valve / non-return valve
non-return valve / check valve
metering valve
spot check (spot- check)
ball check valve
brake vacuum check valve
baffle check valve
check valve
orifice check valve
swing check valve
actuator deceleration vent check valve
metering accuracy
bleed-off metering system
fuel pump metering mechanism
air-flow metering unit
main metering carburetor system
metering
metering jet
metering orifice
metering pin
metering unit
fuel-metering
check
check sweeping
function check
maintenance check
radio check
routine check
security check
vehicle check-point
fleet operational readiness accuracy check sites (FORACS)
loalty check