英语翻译
four-wire channel
拓展翻译
四线电路
four-wire circuit
四线端接装置
four-wire terminating set
四线扩展适配器
four-wire extension line adapter
四线系统
four-wire system
四线线路
four-wire link
四线线路适配器
four-wire line adapter
四线增音器
four-wire repeater
四线制多路复用设备
four-wire multiplex facility
四线制交换中心
four-wire switching center
四线制线路
four-wire line
四线中继器
four-wire repeater
四线终端器
four-wire terminating set
四线组电缆
quadded cable
视频信道
video channel; video frequency channel
输出广播信道
outgoing broadcast channel
输入信道
incoming channel
数据通信信道
DCC
数字信道
digital channel
双向信道
both-way channel; duplex channel
双信道
binary channel; twin channel