Objective: to observe the symptom and treatment effect of upper respiratory tract injury induced by ammonia poisoning.

目的：观察氨中毒损伤上呼吸道的症状及治疗效果。

youdao

Objective: to observe the symptom and treatment effect of upper respiratory tract injury induced by ammonia poisoning.

目的：观察氨中毒损伤上呼吸道的症状及治疗效果。

youdao