PanLinx
English
eng-000
gas proofness
普通话
cmn-000
气密性
普通话
cmn-000
防气性
English
eng-000
airtightness
English
eng-000
gas tightness
English
eng-000
leak tightness
English
eng-000
pressuretightness
English
eng-000
resistance to air loss
PanLex