DictionaryForumContacts

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to phrases
private exchange
avia. 用户交换机; 专用小交换机
econ. 专用电话交换机
interntl.trade. 专用交换机电话
IT 专用交换机
private exchange: 86 phrases in 15 subjects
Aviation2
Business2
Construction2
Data processing1
Electronics26
General2
Hydroelectric power stations2
Information technology9
Multimedia4
Nuclear and fusion power1
Oil / petroleum1
Rail transport1
Space2
Technology16
Telecommunications15