відкладення на клапанах
valve head deposits
incandescent carbon deposits
engine deposits
harmless deposits
active deposits
gum deposits
radioactive deposits
check valve / non-return valve
non-return valve / check valve
air valve bank
amplifying valve
directional-control hydraulic valve
fuel needle valve
inlet valve
vent valve
valve rocker shank
fuel tank selector valve
fuel-return valve (FRV)
oil cooler bypass valve
slave valve
valve chatter
adjustable valve
air breed valve
air input valve
air slide valve
air suction valve
automatic inlet valve
auxiliary air valve
ball check valve
bevel seated valve
bleeder valve screw
brake vacuum check valve