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- Development of unattended private automatic branch exchanges. Two-line Monophones introduced. 开发无人自动小交换机。二线制收发话机问世。
- In the maintenance of Private Automatic Branch Exchange(PABX),the problem of power supply quality is often neglected. 在程控用户交换机维护中,电源质量的问题较容易被忽视。
- First transatlantic radio by Guglielmo Marconi. Rapid expansion in the use of private automatic branch exchanges. Development of remote alarm equipment for unattended exchanges. 古格列尔莫。马可尼首次跨洋传输无线电。用户自动交换机迅速普及。开发无人交换机远端报警设备。
- Central office telephone equipment serving subscribers at one location on a private automatic branch exchange basis. The system allows such servicesas direct inward dialing,direct distance dialing,and console switchboards. 中央局的电话设备，以用户专用自动交换机方式为某一地区的用户服务。该系统允许直接内部拨号、长途直接拨号以及控制台交换转接等。
- Central office telephone equipment serving subscribers at one location on a private automatic branch exchange basis. The system allows such servicesas direct inward dialing, direct distance dialing, and console switchboards. 中央局的电话设备，以用户专用自动交换机方式为某一地区的用户服务。该系统允许直接内部拨号、长途直接拨号以及控制台交换转接等。
- WPABX: Wireless Private Automatic Branch Exchange 无线专用自动交换分机
- PABX Private Automatic Branch Exchange 专用自动小交换机音频配线架
- EPABX Electronic Private Automatic Branch eXchange 电子私用自动分支交换机,专用电子自动小交换机
- crossbar private automatic branch exchange system 纵横制自动电话小交换机
- electronic private automatic branch exch 专用电子自动小交换机
- in-dialling private automatic branch exchange 直拨小交换机
- private automatic branch exchange 专用自动电话交换机,专用自动小交换机,专用自动交换机
- centralized automatic branch exchange 集中工自动小交换机
- Military Automatic Branch Exchange 军事自动部门交换
- wireless private automatic branch exchange 无线专用自动交换分机
- A 4-speed automatic transmission is optional. 四段自动变速器是可自由选择的。
- He plans to import an automatic bobbin loader.. 他计划进囗一架自动装线机。
- We get an automatic increase in pay every year. 我们的薪金每年会自动增长。
- in-dialing private automatic branch exchange 直拨专用自动小交换机
- electronic private automatic branch exchange 专用电子自动交换分机
