当地自动线路交换机
LACE Local Automatic Circuit Exchange
电路或线路交换
circuit or line switching
switching， circuit or line
switching
circuit or line
区域自动线路交换机
RACE Regional Automatic Circuit Exchange
时间分开线路交换
TDCS Time Division Circuit Switching
双向线路交换环
bidirectional line switch ring
特设线路交换机
specific switch-board exchange
通信线路交换
communication line switch
线路交换电源供应器
line switching power supplies
线路交换公众数据网络
Circuit-switched Public Data Network
线路交换集中器
line switching concentrator
线路交换控制器
line switching controller