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长途线
dat.proc. trunk line; toll line
tech. toll cable
UK, space trunk
英国长途线两交换局之间超过15英里以上的中继线
telecom. trunk circuit
英国长途线
telecom. trunk
长途线
: 68 phrases in 11 subjects
Agriculture1
Automobiles1
Aviation4
Business1
Communications4
Electronics15
General4
Information technology7
Multimedia3
Technology21
Telecommunications7