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气密试验 qìmì shìyàn
busin.	air proof test
chem.	air-sealed test
dril.	air test; air-tight test; tightness test
el.mach.	gas-tight test; leakage test
met.	impermeability test
oil	gas tight test; air tight test
plast.	air leakage test
refrig.	airtight test
shipb.	steamtight test
space	airproof test; seal test
tech.	air-proof test; air-tightness test; pneumatic test; pneumatic testing
telecom.	leak test
气密性试验
tech.	air-tight test; tightness test
气密性能试验
tech.	air leak test; air leakage test

气密 试验: 64 phrases in 18 subjects

Automobiles	2
Aviation	2
Business	1
Chemistry	1
Compressors	1
Electric machinery	2
Electronics	1
Hydroelectric power stations	1
Management	1
Metallurgy	4
Nautical	1
Oil / petroleum	4
Rail transport	3
Refrigeration	2
Shipbuilding	21
Space	6
Technology	9
United States	2