rotary nut回转螺母rotaryadj.旋转的n.旋转式机器；环形交叉路rotary effect旋转效应rotary output旋转输出rotary thrust旋转推力rotary beater旋转式切茎器rotary cutter转刀,圆盘剪,转割机,旋转刀头rotary filter旋转式过滤器,滚筒过滤机rotary washer旋转式清洗机rotary beacon旋转航标rotary spinner离心头,离心纺纱装置rotary grating旋转光栅