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油井 yóujǐng
gen.	oilwell
dril.	greaser; oiler
earth.sc.	well
mining.	oil well
tech.	oil borehole
石油井 yóujǐng
gen.	oilspring
〈美〉油井 yóujǐng
busin.	oil well
正产着油的油井 yóujǐng
gen.	oiler
油〔气〕井
eng.geol.	trap

油井: 704 phrases in 27 subjects

Automobiles	7
Aviation	2
Business	10
Chemistry	4
Company name	6
Construction	3
Drilling	62
Earth sciences	20
Economy	8
Electronics	1
Engineering geology	10
Explosives and Explosive Ordnance Disposal	7
General	25
Geology	13
Geophysics	24
Management	1
Mechanics	5
Metallurgy	9
Mining	59
Nautical	3
Navigation	11
Oil / petroleum	214
Oil and gas	1
Oil and gas technology	2
Project management	1
Steel production	1
Technology	195