rotary rod旋转杆
rotaryadj.旋转的n.旋转式机器;环形交叉路
rotary cutting shield旋转式切削盾构
rotary stepping motor旋转式步进电动机
rotary sagger machine匣钵回转成形机
rotary throttle valve回转节流阀,转动节流阀
rotary dial telephone旋转号盘电话机
rotary dipole antenna旋转偶极子天线
rotary stepping relay旋转步进继电器,步进继电器