将耳甲腔软骨缝合于乳突骨膜上，使耳廓和乳突的距离缩小。

The back of concha cartilage was fixed to the mastoid periost to decrease the cranioauricular angle.

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将耳甲腔软骨缝合于乳突骨膜上，使耳廓和乳突的距离缩小。

The back of concha cartilage was fixed to the mastoid periost to decrease the cranioauricular angle.

youdao