Rohe hangahanga:40 mita pūrua
Wāhi Mahi:5400×6800×5000mm
Ngā tohu oro:ka taea e te auau tapahi te iti iho i te 63Hz; kāore te haruru papamuri e teitei ake i te 20dB; ka tutuki i ngā whakaritenga o te ISO3745 GB 6882 me ngā paerewa ahumahi rerekē.
Ngā tono noa:Te whakamātautau i ngā waea pūkoro, ngā pane whakarongo, ngā motuka me ētahi atu hua whakawhitiwhiti kōrero.
Tohu Paetae kua whakamanahia:Taiwhanga o Saibao
Wā tuku: Pipiri-28-2023