共享图象交换环境
common picture exchange environment
串接交换交换
tandem switching exchange
电传打字机自动交换设备
automatic teletypewriter switching equipment
分封交换设备
packet switching equipment
机电式交换设备
electromechanic switching equipment
交换设备不规则性
switching equipment irregulari-ties
switching equipment irregularity
交换设备拥塞
Switching Equipment Congestion SEC
控制与交换设备
control and switch equipment
强奇异交换交换子代数
strongly singular maximal abelian self-adjoint sub
设备交换协定
ETR
equipment interchange agreement
市话中继交换设备
LJSU Local Junction Switching Unit
数据报文交换设备
data message switching equipment