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to phrases
Trunk Exchange
multimed.
长途电话局
美
;
市郊电话局
英
trunk exchange
econ.
长途电话局
(trunk line office)
el.
主交换
IT
中继交换机
;
长途电话局
;
中继线交换机
telecom.
中继局
只设中继线,不设用户线
Trunk Exchange
:
6 phrases
in 3 subjects
Economy
1
Technology
3
Telecommunications
2
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