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压力比 yālìbǐ
avia.	pressure proportion
mining.	pressure ratio
tech.	compression ratio

压力比: 133 phrases in 28 subjects

Architecture	2
Athletics	1
Automobiles	9
Aviation	32
Bridge construction	2
Chemistry	2
Compressors	9
Drilling	3
Earth sciences	1
Electronics	3
Engineering geology	2
Explosives and Explosive Ordnance Disposal	4
General	3
Geology	1
Geophysics	1
Hydroelectric power stations	2
Mechanics	2
Metallurgy	3
Mining	3
Oil / petroleum	4
Oil processing plants	1
Plastics	5
Rail transport	2
Refrigeration	2
Soil science	1
Space	10
Sports	1
Technology	22