Otu esi ebelata ọnụ ahịa mgbanwe mpịakọta na mmepụta ihe mkpuchi acoustic
N'ihe gbasara ụlọ acoustic na mmepụta panel acoustic na-aga n'ihu, mgbanwe mpịakọta ọ bụla nwere ike ịkwụsị ahịrị ahụ ma chọọ njikwa ihe, ntinye mpịakọta, mgbanwe nrụgide, nhazi, na usoro mmaliteghachi. Ma e jiri ya tụnyere ihe ngosi 1.6 m-faci nkịtị...
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