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层段 céngduàn
construct.	lift
dril.	section; zone
oil	interval; stratigraphic interval
地质的层段 céngduàn
geol.	member (geologic)

层段: 192 phrases in 29 subjects

Agriculture	1
Architecture	1
Automobiles	2
Aviation	5
Business	1
Chemistry	1
Computer networks	1
Desert science	1
Drilling	43
Earth sciences	3
Electronics	1
Explosives and Explosive Ordnance Disposal	3
General	3
Geology	2
Geophysics	3
Hydroelectric power stations	1
Marketing	1
Mechanics	1
Metallurgy	5
Mining	1
Molecular genetics	1
Oil / petroleum	66
Project management	1
Refrigeration	1
Reproductive biology	1
Space	4
Technology	35
Textile industry	2
Water resources	1