传真电报机传真通信中用以制作这样的图表或映描图的设备。
Equipment used to produce such a graph or tracing in facsimile transmission.
国际直拔、传真电报、无线寻呼、特快专递等已全面投入营运。
International direct dial, facsimile telegraph, wireless paging, EMS has been fully put into operation and so on.
国际直拔、传真电报、无线寻呼、特快专递等已全面投入营运。
International direct dial, facsimile telegraph, wireless paging, EMS has been fully put into operation and so on.
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