ducted fan造句怎么写

This second system consists of four ducted fans, one mounted at each corner of Talaris's carbon-fibre frame.

Applications:Good for 1:18 on road car, ducted fan power and with gearbox for high efficiency power system.

In testing, the Jetpack could travel at 60 miles per hour for up to 30 miles, and as high as 7, 800 feet using a gas engine and two ducted fans.