Việt
vật liệu cách âm
Anh
sound insulating material
acoustical material
sound-absorbing material
Đức
Schallschutzmaterial
Pháp
isolant acoustique
matériau acoustique isolant
acoustical material,sound insulating material,sound-absorbing material
[DE] Schallschutzmaterial
[EN] acoustical material; sound insulating material; sound-absorbing material
[FR] isolant acoustique; matériau acoustique isolant