旋转式再生加热器

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

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

rotary drill bit (rotary boring head) deep drilling

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

flexible drive mechanism for interconverting rotary motion and oscillating motion

rotary tippler【矿】

rotary anemometer【气象】

rotary roughening【机】