Hauj lwm lawm
Kev tsis
Peb cov panedic acoustic yog tsim los muab cov nqi zoo rau nyiaj.
Txawm hais tias tus nqi pheej yig, peb tsis yog qhov tsis zoo rau qhov tsis zoo.
Lawv tau ua los ntawm cov ntaub ntawv txhim khu kev qha thiab yauv ua tau zoo xyuas cov tshev.
Lawv yog cov kev xaiv zoo rau cov neeg siv nyiaj pab uas tseem xav txhim kho lawv txoj kev ua kom zoo nkauj.
Cim npe nrov: pheej yig acoustic panels yam tsis muaj kev hloov pauv zoo, Tuam Tshoj pheej yig acoustic muaj cov chaw tsim khoom zoo
