automatic telephone set
自动电话机自动电话机系统
Technical requirements for common battery telephones and automatic telephones
GB/T1493-1979共电、自动电话机技术条件
desk-wall automatic telephone set
台式墙挂两用自动电话机
The specifications of automatic telephone set
GB/T15279-1994自动电话机技术条件
machine driven switching system
机动制自动电话交换机
computer telephone exchange
电脑自动电话交换机
none automatic phone with recording
无人自动录音电话机
automatic local exchange
市内电话自动交换机
automatic toll switching system
长途电话自动交换机
crossbar automatic telephone system
纵横制自动电话交换机
unit automatic exchange
内部自动电话交换机
private automatic telephone exchange
专用自动电话交换机
code switch automatic telephone system
码条式自动电话交换机
identifier circuit
(自动电话交换机的) 识别电路
all relay automatic telephone system
全继电器制自动电话交换机
computerized telephone answering and recording machine
计算机控制的自动回答和录音电话机
step-by-step system local automatic telephone exchange
步进制市内用自动电话交换机
concourse-connection longitudinal-transverse auto-telephone exchange
汇接用纵横制自动电话交换机