藏毛窦是一种骶尾部区常见的的慢性疾病。

Pilonidal sinus is a common chronic disease of the sacrococcygeal region.

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藏毛窦是一种骶尾部区常见的的慢性疾病。

Pilonidal sinus is a common chronic disease of the sacrococcygeal region.

youdao