rotary jet旋转喷射器rotaryadj.旋转的n.旋转式机器；环形交叉路rotary field motor有旋转磁场的电动机rotary valve train回转阀系rotary spark-gap旋转火花放电器rotary distributor旋转分配阀,旋转分电器rotary replication旋转复型rotary grass board旋转式分草板rotary drying drum旋转干燥筒rotary bending die回转弯曲模rotary cultivation旋耕rotary pilot valve回转式控制阀