常用短語

circuit switching system數(shù)據(jù)電路交換機(jī)；回路交換方式

Circuit Switching Exchange電路交換的交換局

fast circuit switching快速線路切換；快速電路交換

circuit switching network電路交換網(wǎng)；線路交換網(wǎng)絡(luò)；電路切換網(wǎng)絡(luò)；線路交換網(wǎng)

circuit switching unit電路交換單元；線路交換單元

data circuit switching equipment數(shù)據(jù)轉(zhuǎn)接設(shè)備；數(shù)據(jù)電路交換設(shè)備

Optical circuit switching路交換；光路交換；光電路交換；光線路交換方式

circuit switching center電路交換中心