同义词
1)indicating equipment,指示设备2)indicator equipment,指示设备3)pointing device,指示设备4)glide-slope facility,滑翔道指示设备5)turn indicator equipment,旋转指示设备6)temperature indicating equipment,温度指示设备7)electronic indicating equipment,电子指示设备8)alarm control and indicating equipment,警报控制指示设备9)indicating device,指示器件，指示设备10)electronic letter sorting and indicator equipment,电子信件分拣和指示设备
