command switch 命令开关 common battery switchboard 共电式交换机 common control switching arrangement (CCSA) 公共控制开关装置; 公用控制交换网; 公用控制转换设备 ..
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manual common battery switchboard 人工共电式交换台
multiple common battery switchboard 复接式交换机
manualcleaning separator common battery switchboard 人工共电式交换台
common battery toll switchboard 共电制长途电话交换机
common-battery telephone switchboard 共电电话交换机
common - battery telephone switchboard 共电电话交换机
common battery telephone switchboard [通信] 共电制电话交换机
common n battery switchboard 共电式交换机
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