rotary rod旋转杆rotaryadj.旋转的n.旋转式机器；环形交叉路rotary hydraulic jack旋转液压千斤顶rotary magnetic chuck回转磁性吸盘rotary movement relay旋转继电器rotary film contactor转动薄膜式萃取器rotary air compressor回转式空气压缩机,旋转压缩机Rotary dividing shear滚切式定尺剪rotary-draw bending绕弯成形rotary-plunger pump旋转柱塞泵,旋转式柱塞泵rotary support device回转支承装置rotary reverse switch旋转反向开关