【建筑】旋转牵引机件，旋转钻凿

pump (fan, ventilator, blower), rotary pump

feeder, rotary filling containers with fluent solid material by means of rotary feeders

garage with rotary rings as means for transport

gyratory crusher (rotary crusher)

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

rotary type drive, pneumatically drive used in boreholes

rotary-type discharge control vane

rotary drill bit (rotary boring head) deep drilling