【机械工程】内燃机用旋转滑阀装置

positive displacement self-priming progressive cavity rotary pump

rotary switch with latch for change of direction of rotation and lost motion

duplicating machine with rotary cylinders for the master

combinations of two or more rotary pumps

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

herringbone milking station, rotary milking station, tandem milking station

rotary-drilling machine with gearing for mining

arrangement of air supply devices in rotary-drum furnaces