rotary nut回转螺母rotaryadj.旋转的n.旋转式机器；环形交叉路rotary inertia转动惯量rotary dialing旋转拨号rotary squeeze回转锻造rotary slasher旋转式茎杆除器rotary chopper旋转式切碎机Rotary driller旋转式钻探工(油井和气井)rotary scanner旋转扫描器Rotary tilling旋耕rotary antenna旋转天线rotary crusher旋转压碎机