旋转泵

rotary-drilling machine with coupling (hitch) for mining

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

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

letterpress roller rotary machine

rotary-type discharge control vane, rotary-type admission control vane

rotary disc, rotary table, turntable

rotary probability screen【矿】

rotary compressor【机】