【机械工程】旋转式进货控制舵，旋转活塞泵

rotary-type discharge control vane

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

rotary-type cam-driven tableting press

brake, rotary-type

rotary-type gasoline mower

rotary-type tablet machine

rotary-type stitching machine bookbinding

rotary-type potentiometer