A.1% B.3% C.35% D.13%
A.22% B.33% C.55% D.56%
A.气导、骨导、不舒适阈 B.气导、舒适阈、不舒适阈 C.气导、骨导、舒适阈 D.骨导、舒适阈、不舒适阈 E.气导、言语分辨率、不舒适阈