交换长途通信网络 交换型远程通信网络的英文

switchedtelecommunicationnetwork

• 交换:    exchange; swap; in ...
• 长途:    long-distance
• 通信:    communication; com ...
• 网络:    network; electric ...
• 型:    mould; model
• 远程:    long-range; long-d ...