短語詞組短語public -address system 擴(kuò)音系統(tǒng);有線廣播public c address system 有線廣播系統(tǒng);展厛廣播設(shè)備cablecasting public -address system 有線廣播turn up the public -address system 調(diào)高播音系統(tǒng)的音量Emergency Public Address System 緊急公共廣播系統(tǒng)intrastation public address system 廠內(nèi)播音系統(tǒng)cabin public address system 客艙廣播系統(tǒng)marine public address system 船用廣播設(shè)備Public Address System On 音曏運作;音響運作 返回 public address system