在这一过程中如果可以经鼓室隔膜通气的话，尽管峡部闭锁也不会产生上鼓室的负压。

In this process, if may pass through drum room mutual lack of understanding ventilation, although the canyon department block system will not have on the drum room negative pressure.

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既往中耳炎病史可使鼓室峡部钻膜肥厚增生而闭谈。

Tympanitis medical history may cause the drum room canyon department formerly to drill the membrane plump proliferation to shut discussed.

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如鼓室峡部的闭锁不能同时缓解。

If the drum room canyon's department block system cannot also alleviate.

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