目的：探讨岬沟及岬骨管在鼓室神经切除术中的意义。

Objective: to detect the significance of promontory groove and promontory canal on tympanic neurectomy.

youdao

目的：探讨岬沟及岬骨管在鼓室神经切除术中的意义。

Objective: to detect the significance of promontory groove and promontory canal on tympanic neurectomy.

youdao