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氦 hài
agric.	helium (He, 2号元素)
chem.	Helium
met.	helium (He)
4 氦
refrig.	helium 4
氦He hài
auto.	helium
3 氦
refrig.	helium 3
氦第2号元素 hài
gen.	helium
【化】氦 hài
avia.	helium (化学元素，符号 he)

氦: 265 phrases in 29 subjects

Agriculture	1
Animal husbandry	1
Architecture	1
Automobiles	1
Aviation	30
Chemistry	7
Compressors	3
Earth sciences	1
Electric machinery	1
Electronics	7
General	19
Geology	1
Information technology	1
Metallurgy	28
Nautical	4
Nuclear and fusion power	1
Nuclear physics	2
Nursing	1
Oil / petroleum	21
Oil processing plants	1
Refrigeration	7
Shipbuilding	4
Skydiving	1
Space	43
Steel production	2
Submarines	1
Superconductivity	3
Technology	70
Telecommunications	2