短語詞組短語telecommunication network voltage circuit 電信網(wǎng)電壓電路design of telecommunication circuit 通信電路設(shè)計Telecommunication Circuit Resource Management 電信線路資源琯理telecommunication circuit detail 電訊網(wǎng)TNV Telecommunication Network Voltage circuit 電信網(wǎng)電壓電路international private leased telecommunication circuit 國際專用租線通信電路 返回 telecommunication circuit