PABX词根词缀

TBJ-204 20-Line Field Telephone Exchange is a minitype backpacking analogy space division interchange PABX. It has been playing an important role in equipping all kinds of arms and services for campaigns, tactical exercises and emergent actions etc.

TBJ-204型野战20线程控交换机是一种小型背负式模拟空分程控用户交换机，用于装备全军各兵种的作战、演习和紧急抢险等行动。

PABX ( Private Automatic Branch Exchange) is widely applied in enterprise-leveled Telephone LAN.

专用自动交换机PABX（Private Automatic Branch Exchange）广泛应用于企业级电话局域网中。

The Methods of Processing PABX ( Private Automatic Branch Exchange) System Troubles

程控交换机系统故障的处理方法