dial exchange
短语词组
- dial telephone exchange 自动电话交换机
- panel l dial exchange 升降制自动交换机
- rural community dial exchange 农村集团自动交换局
- electronic dial exchange 电子式拨号交换机;电子式自动交换机
- panel dial exchange 升降制自动交换机
- dial exchange area [通信]自动电话区
- dial private branch exchange 专用自动电话局
- telegraph dial exchange 电报拨号交换机
- electronic conductivity control dial exchange 电子式拨号交换 返回 dial exchange