突发性聋
sudden deafness
sudden hearing loss
buyang huanwu decoction
sudden sensorineural hearing loss
Deafness sudden
Methylprednisolone
突发性环境污染事件
sudden environmental pollution event
unexpected contamination
突发性环境污染事故
emergent environmental pollution accident
environmental emergency
emergent environmental pollution
emergency environmental pollution accident
sudden environmental pollution incidents
突发性化学事故
emergent chemical accident