rotary nut回转螺母
rotaryadj.旋转的n.旋转式机器;环形交叉路
rotary contact旋转接触
rotary traffic环形交通
rotary mufffle回转隔焰炉
rotary blender回转混合器,旋转混合机
rotary slitter回转式纵切刀
rotary massage滚揉
rotary drillin旋转钻井
rotary divider旋转式分禾器
rotary current多相电流,旋转流量
rotary balloon圆球形气球