Automatic Trunk-to-Trunk Transfer 自动外线对外线转移
Trunk-to-Trunk Transfer 外线转移外线
Trunk to Trunk Transfer 中继线到中继线转移
transfer trunk 转换箱
digit transfer trunk 数字转移干线 ; 数字信号传送总线
interfacility transfer trunk 设施间传送干线
trunk-like transfer 箱形转换
trunk digit transfer 数位传输干线
应用推荐