дросельний зворотний клапан
check valve / non-return valve
non-return valve / check valve
baffle
double-baffle muzzle brake
triple-baffle muzzle brake
two-baffle muzzle brake
baffle (separator, divider)
baffle strike
baffle painting
spot check (spot- check)
ball check valve
brake vacuum check valve
check valve
metering check valve
orifice 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