Chinese ⇄ English

层号
tech.	class number; layer number; tier number (集装箱)
telecom.	level number; rank
层次号码
construct.	level number

层 号: 39 phrases in 15 subjects

Air defense	1
Aviation	2
Chemistry	1
Computer networks	1
Earth sciences	1
Electric machinery	3
Electronics	6
Geophysics	4
Information technology	3
Management	2
Mining	1
Oil / petroleum	1
Rail transport	1
Space	2
Technology	10