rotary nut回转螺母rotaryadj.旋转的n.旋转式机器；环形交叉路rotary shutter旋转遮光器rotary coupler旋转耦合器rotary breaker滚筒破碎机,旋转压碎机rotary jamming旋转干扰rotary chamber转膛rotary furnace回转炉,旋转加热炉rotary release旋转释放rotary digging旋挖rotary printer旋转印花机rotary brushes旋转刷