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通井 tōngjǐng
dril.	check trip; well conditioning
oil	drifting; wiper trip

通 井: 187 phrases in 21 subjects

Architecture	3
Automobiles	1
Bridge construction	1
Drilling	14
Earth sciences	5
Economy	1
Electric machinery	2
Electronics	6
Engineering geology	8
Explosives and Explosive Ordnance Disposal	5
General	10
Geophysics	7
Hydroelectric power stations	13
Metallurgy	1
Mining	1
Navigation	1
Oil / petroleum	20
Refrigeration	4
Space	2
Technology	81
Wind Energy	1