Việt
hệ số truyền âm
Anh
sound transmission factor
transmittance
Đức
Schalldurchlaessigkeitszahl
Pháp
facteur de transmission du son
sound transmission factor /INDUSTRY,INDUSTRY-CHEM/
[DE] Schalldurchlaessigkeitszahl
[EN] sound transmission factor
[FR] facteur de transmission du son
hệ số truyền âm (thanh)
sound transmission factor /điện lạnh/
sound transmission factor, transmittance