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heavy oil
auto.	燃油的重馏分; 重质燃油
chem.	炼焦重油; 重油品; 重质油料
econ.	重柴油; 高黏度油
met.	重油; 柴油
oil	稠油
tech.	原油; 重质石油; 杂酚油; 高粘度油

heavy oil: 171 phrases in 23 subjects

Agriculture	1
Architecture	2
Automobiles	12
Aviation	2
Business	1
Chemistry	5
Desert science	1
Earth sciences	1
Economy	1
Electronics	3
Exhibitions	1
General	2
Geology	4
International trade	2
Metallurgy	10
Mining	5
Nautical	3
Oil / petroleum	36
Oil processing plants	20
Rail transport	1
Shipbuilding	4
Technology	53
Water resources	1