клапанна тарілка
clutch disk facing
clutch disk hub
cushion disk
disk filter
disk-braked train
heavy-duty multiple disk steering clutch
hub disk
hydraulic disk brake
disk-type brake
turbine disk damage
propeller disk area
identification disk
disk grind
sighting disk
perforated disk gunpowder
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