дросельна заслінка
butterfly throttle valve
check valve / non-return valve
non-return valve / check valve
air throttle
bend the throttle
carburetor throttle body
carburetor throttle kicker
carburetor throttle stop
engine throttle bellcrank
throttle lever
throttle performance
full-throttle operation
separate engine throttle control lever
throttle control
throttle control twist grip
throttle
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