Việt
lớp không thấm nước
Anh
impervious layer
aquiclude
impermeable stratum
Đức
Abdichtungsschicht
Grundwasserstauer
undurchlässige Schicht
Pháp
couche imperméable
plancher imperméable
aquiclude,impermeable stratum,impervious layer /SCIENCE,ENG-ELECTRICAL/
[DE] Abdichtungsschicht; Grundwasserstauer; undurchlässige Schicht
[EN] aquiclude; impermeable stratum; impervious layer
[FR] aquiclude; couche imperméable; plancher imperméable