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direct line
avia.	直达线
econ.	直达航线
polygr.	标线; 帖码线
tech.	直通行; 直通线路; 直达线; 定向线
telecom.	直达线路

direct line: 66 phrases in 21 subjects

Advertising	1
Aviation	3
Business	3
Communications	1
Construction	1
Electric machinery	3
Electronics	11
General	3
Hydroelectric power stations	1
Information technology	1
Management	1
Mathematics	1
Mechanic engineering	1
Metallurgy	16
Nautical	2
Oil / petroleum	1
Plastics	1
Polygraphy	1
Space	1
Technology	8
Telecommunications	5