switch---to throw--over switching over

channel switching

channel switching equipment

Channel-Channel Alignment

channel-switching equipment for power relay protection system

communication channel switching

cross-channel switching

dynamic transmission channel switching

Fast Channel Switching

fast switching channel

fiber channel over IP

rapidly channel switching

slow switching channel

switching channel

Turn-Over Channel

Two-channel switching

automatic switching over design of voltage circuit

AUTOMATIC SWITCHING-OVER

capacitor switching-over