Some carburetors have an auxiliary fuel valve and inlet.

有些化油器具有备用的燃油阀和入口。

youdao

The fuel valve can automatically adjust the fuel according to the engine revolutions.

燃油阀可根据发动机的转速自动调节供油量。

youdao

The APU fuel system consist of a fuel valve, control unit, solenoid valve, filter, heater and control valve.

APU燃油系统包括一个燃油活门、控制组件、电磁活门油滤、加热器及控制活门。

youdao

The specialized tools built for the job allowed Dextre to seal the connections between the tool and the fuel valve to eliminate the possibility of leaks.

ENGADGET: Canada's Dextre robot refuels faux satellite from the ISS in first-of-a-kind test

The writ also alleges the problem with the fuel selector valve was the cause of the crash and states that Ravenair were responsible for its maintenance.

BBC: Joel McNicholls

Many cars, including the Mazda CX-5 and Volkswagen Golf, use variable valve timing to maximize fuel efficiency and performance.

FORBES: 10 Ways Automakers Are Helping You Spend Less On Gasoline