tandem switching
短语词组
- Tandem Mobile Switching Center 汇接移动交换中心
- Tandem Tie Trunk Switching 中继联络干线交换
- tandem switching exchange 串接交换交换;汇接交换机
- tandem switching system 汇接交换系统
- tandem switching centre 汇接局
- electronic tandem switching 电子串联切换
- Tandem Mobile -services Switching Centre 汇接移动业务交换中心 返回 tandem switching