旋转卷丝机

pump (fan, ventilator, blower), rotary pump

combinations of two or more rotary pumps

rotary spade harrow (diamond harrow)

arrangement of air supply devices in rotary-drum furnaces

intermeshing engagement and stroke engagement in rotary-piston machines or engines

rotary desk【油气】;rotary table【机】;rotating platform【机】

speed gearing rotary-drilling machine with speed gearing for mining

rotary-piston machine or engine, oscillating-piston machine or engine