金属回转加工

pump (fan, ventilator, blower), rotary pump

flow forming【机】;flow turning【机】;rotary extrusion【机】

spindle drag pump (spiral pump) rotary-piston pump

rotary cultivator【农机】;rotary plough【农机】;rotary tiller【农机】

rotary vane pump rotary-piston pump

rotary drum cylindrical screen

rotary barrel vibratory grinding machine

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