半自动专用交换机
semi-automatic private branch exchange
用户专用自动交换机
private automatic branch exchange
专用自动交换机
buckling modal
PABX
dial private branch exchange
private automatic exchange
半自动专用小交换机
semi-automatic private branch exchange
数字专用式电子自动交换分机
digital electronic private automatic branch exchange
专用自动电话交换机
PABX
private automatic branch exchange
Battered
private automatic telephone exchange
专用自动分机交换
P channelprivate automatic branch exchange
oxidationprivate automatic branch exchange
output enableprivate automatic branch exchange
专用自动小交换机
PABX
private automatic branch exchange
battere
automatic private branch exchange
私用自动交换机
battered post
private automatic exchange
Pax
长途电话自动交换机
automatic toll switching system
程控数字自动交换机
PABX:PrivateAuntomaticBranchExchange
电传打字机自动交换设备
automatic teletypewriter switching equipment
电子复式自动交换机
electronic multiple automatic exchange
电子自动交换机
air start valve
electronic anutomatic exchange
electronic automatic exchange
EAX
面板型自动交换机
panel type automatic switchboard
农村电子自动交换机
REAX Rural Electronic Automatic Exchange