rotary jet旋转喷射器rotaryadj.旋转的n.旋转式机器；环形交叉路rotary disk meter转盘式流量计rotary disc feeder圆盘喂料机rotary primer pump滑片引水泵rotary penetration旋转rotary hummer mill旋转锤磨机rotary dumper room翻车机室rotary type points旋转式道岔rotary disk feeder回转盘送料装置rotary hammer mill旋转锤磨机rotary line switch旋转式预选器,旋转式寻线机