【运输】旋转滑阀，多路平面旋转滑阀

rotary valve

flexible drive mechanism for interconverting rotary motion and oscillating motion

rotary tippler【矿】

vacuum rotary filter

rotary anemometer【气象】

rotary roughening【机】

rotary machinery

rotary-drum furnace, revolving melting furnace, revolving reverberatory furnace