程控用户交换机
Buckling measurment
PABX
PBX:PrivateBrancnexchange
程控数字自动交换机
PABX:PrivateAuntomaticBranchExchange
程控数字用户交换机
program-controlled digital users exchanger
程控数字交换机
program control digital exchanger
SPC digital exchange
SPC digital exchanges
程控数字长途电话交换机
SPC digital toll exchange
程控交换机
program-controlled switchboard
program controlled switchboard
program controled exchange
program control switching
Program controlled exchange
program control exchanger
program controlled switch
program control switch
programmable exchange
program-controlled switch
program-controlled exchange
digital program controlled exchange
stored program controlled exchange
SPC exchanges
SPC exchange
exchanger
programme controlled exchange
Exchange
SPC digital exchange
digital exchanger
private branch exchange
numerical control switcher
program-controlled converter
private automatic branch exchange
time-sharing control
SPC
PBX
digital exechange
PCS
PABX
车载交换机
vehicle-mounted telephone switches
长途去话交换机
bruchus( = acanthoscelides)obtectus say
长途电话自动交换机
automatic toll switching system
长途电话交换机
long distance telephone exchange