交换设备 meaning in Chinese

conversion equipment
exchange equipment
switchgear
switching apparatus
switching device
switching equipment

Technical requirements for toll manual switching equipment
长途人工电话交换设备.技术要求
The supplementary specification to spc
电话交换设备总技术规范补充件1
Methods of test for toll manual telephone switching equipment
长途人工电话交换设备.测试方法
Ccsa common control switching arrangement
公共控制交换设备
Private branch exchange switching equipment for voiceband application
话音频带用专用小交换机交换设备

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