rotary saw圆盘锯,回转式锯rotaryadj.旋转的n.旋转式机器；环形交叉路rotary indexing回转分度法rotary launcher旋转发射装置rotary strength旋转力rotary shearing回转剪切rotary core bit旋转式取心钻头rotary encoders旋转变压器rotary agitator旋转式搅拌机rotary movement转动rotary microtom旋转式切片机rotary impeller转叶轮