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油管线
mining.
petroleum line
tech.
oil pipeline
油 管线
:
98 phrases
in 18 subjects
Chemistry
2
China
1
Drilling
1
Earth sciences
3
Electronics
5
Environment
1
Explosives and Explosive Ordnance Disposal
1
General
4
Hydroelectric power stations
2
Management
1
Metallurgy
1
Mining
3
Nautical
1
Navigation
1
Oil / petroleum
39
Shipbuilding
2
Technology
29
Textile industry
1
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