Rotaro罗塔罗rotan.花名册；值班表Rota.n.(天主教)最高法庭；罗塔岛(岛屿名)rotating rheostat box旋转式可变电阻箱rotating magnetometer回旋式磁力仪rotating reading head转动读头rotating belt printer转带打印机rotating plunger pump旋转式柱塞泵rotatory pattern test旋转型试验rotating disk scanner转盘扫描器rotating wheel-disc旋转轮盘rotating loop antenna旋转环形天线rotating beacon light旋转式防撞信号灯