A.35% B.45% C.55% D.65% E.85%
A.突發(fā)性耳聾 B.耳硬化 C.藥物性聾 D.膜迷路積水 E.聽神經(jīng)瘤
A.250~1000Hz氣導(dǎo)聽力改善≥5dB B.250~1000Hz氣導(dǎo)聽力改善≥10dB C.250~1000Hz氣導(dǎo)聽力改善≥15dB D.250~1000Hz氣導(dǎo)聽力改善≥20dB E.250~1000Hz氣導(dǎo)聽力改善≥25dB