Circuit Group Congestion Signal CGC
automatic circuit switching
Automatic electric circuit switching
band-switching circuit (BSC)
cascode switching circuit
Ciose-switching circuit
circuit switching
电路交换
电路换路
发光二极管驱动电路
线路交换
通道转换
光路交换
光线路交换
电路切换
circuit switching center
circuit switching delays
Circuit Switching Exchange
circuit switching network
circuit switching operation
circuit switching scheme
circuit switching station
circuit switching system
current switching circuit
data circuit switching equipment
data circuit switching system