PanLinx

Englisheng-000
gas proofness
普通话cmn-000气密性
普通话cmn-000防气性
Englisheng-000airtightness
Englisheng-000gas tightness
Englisheng-000leak tightness
Englisheng-000pressuretightness
Englisheng-000resistance to air loss


PanLex

PanLex-PanLinx