дозувальний зворотний клапан
check valve / non-return valve
non-return valve / check valve
constant-area orifice
filling orifice
adjustable orifice
metering orifice
orifice rod
gauged orifice
orifice
spot check (spot- check)
ball check valve
brake vacuum check valve
baffle check valve
check valve
metering check valve
swing check valve
actuator deceleration vent check valve
check sweeping
function check
maintenance check
radio check
routine check
security check
vehicle check-point
fleet operational readiness accuracy check sites (FORACS)
loalty check
NATO Naval Forces Sensors and Weapons Accuracy Check Sites
pre-combat check (PCC)
pre-execution check (inspection)
cross-check procedure (CCP)
rammer check lever
background check