معنی Sound absorption coefficient (SAC), معنی Sخعئی شدسخقحفهخئ رخثببهرهثئف (SAC), معنی Sound absorption coefficient (SAC), معنی اصطلاح Sound absorption coefficient (SAC), معادل Sound absorption coefficient (SAC), Sound absorption coefficient (SAC) چی میشه؟, Sound absorption coefficient (SAC) یعنی چی؟, Sound absorption coefficient (SAC) synonym, Sound absorption coefficient (SAC) definition,