дозівний жиклер
constant-area orifice
filling orifice
adjustable orifice
orifice check valve
orifice rod
gauged orifice
orifice
metering accuracy
bleed-off metering system
fuel pump metering mechanism
air-flow metering unit
main metering carburetor system
metering
metering check valve
metering jet
metering pin
metering valve
metering unit
fuel-metering