回转空气加热器

anti-fall device of rotary machinery【矿】

rotary slide-valve vibrator

rotary chute (revolving chute) blast furnace

rotary snow plough for removing snow from railway tracks

barker of rotary-ring type【林】

rotors with displacement rolls for rotary-piston pumps

arrangement of air supply devices in rotary-drum furnaces

rotary-piston pump oscillating-piston pump