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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
Aviation
2
Business
2
Construction
2
Data processing
1
Electronics
26
General
2
Hydroelectric power stations
2
Information technology
9
Multimedia
4
Nuclear and fusion power
1
Oil / petroleum
1
Rail transport
1
Space
2
Technology
16
Telecommunications
15
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