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试注
mining.	injection test
oil	pilot flood

试注: 71 phrases in 19 subjects

Architecture	1
Aviation	3
Business	2
Desert science	1
Earth sciences	1
Electronics	2
Engineering geology	3
General	1
Hydroelectric power stations	4
Metallurgy	1
Mining	4
Nursing	1
Oil / petroleum	20
Rail transport	2
Reproductive biology	1
Shipbuilding	2
Space	2
Sports	2
Technology	18