cro ar private automatic branch exchange system crossbar private automatic branch exchange system
Related Translations:
纵横: 1.(竖和横) in length and breadth; vertically and horizontally 短语和例子纵横交错的铁路网 a crisscross network of railways2.(奔放自如) with great ease; freely 短语和例子笔意纵横 write with great ease