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private branch-exchange
tech.	内部电话交换机
private branch exchange
avia.	专用电话交换机; 专用自动交换机
el.	专用小型交换机
IT	专用交换分机
space	用户交换机; 专用交换机
tech.	用户小交换机; 专用支线交换机; 专用交换; 内部分线交换机
telecom.	专用小交换机; 小交换机在美国，PBX 既指人工式用户交换机,也指自动式用户交换机; 小交换机在美国，PBX 包括人工式与自动式用户交换机
private branch telephone exchange
multimed.	专用小型电话交换机
English thesaurus
private branch exchange
IT	A telephone exchange that is owned by a private business, as opposed to one owned by a common carrier or by a telephone company
Private Branch Exchange
abbr., file.ext.	PBX
abbr., post	PBX (telephone)
Private Branch eXchange
IT, abbr.	PBX (Nebenstellenanlage); PBX (Telephony)
Private Branch Exchange A private telephone network in an organization. Individual telephone numbers or extension numbers are supported, and calls are automatically routed to them. Users can call each other using extensions. They can also place calls to outside numbers
abbr., comp., MS	PBX (Private Branch Exchange)
Private Branch Exchanges
mil., abbr.	PBX

private branch-exchange: 53 phrases in 12 subjects

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