【化】 旋转式叶片泵

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

rotary-piston pump

rotary haymaker (rotary-drum rake and tedder) haymaking (haying)

rotary type drive, pneumatically drive used in boreholes

rotary table assembly sewing machine

combinations of two or more rotary pumps

rotary spade harrow (diamond harrow)

rotary drill bit (rotary boring head) deep drilling