9.That is disease of a kind of downy reaction, because of respiratory system (lung) baric to the environment incommensurate and the disease of generation is rational oedema, have life risk.

• 那是一种高原反应疾病，因为呼吸系统（肺部）对环境气压的不适应而产生的病理性水肿，有生命危险。