甲醛的中毒症状
Symptoms of formaldehyde poisoning
轻度中毒：明显的眼部及上呼吸道粘膜刺激症状。主要表现为眼结膜充血、红肿，呼吸困难，呼吸声粗重，喉咙沙哑、讲话或干涩暗哑或湿腻。中毒者还能感受到自己呼吸声音加粗。轻度甲醛中毒症状的另一个具体表现为一至二度的喉咙水肿。
Mild poisoning: obvious irritation of mucous membrane of eyes and upper respiratory tract. The main manifestations are conjunctival congestion, redness and swelling, dyspnea, heavy breathing sound, hoarseness of throat, speech or dry, dark dumb or greasy. The poisoned person can also feel his breathing sound bold. Another specific symptom of mild formaldehyde poisoning is one to two degrees of throat edema.
中度中毒：咳嗽不止、咯痰、胸闷、呼吸困难及干湿性破锣音。胸透X光时肺部纹理实质化，转变为散布的点状小斑点或片状阴影，即为医定网站建设  保定荆塘铺 伺服液位仪  防撞墙模具 唐山护栏  钢纤维 天津除甲醛  保定铝型材学上的机型支气管肺炎；喉咙水肿增重至三级。进行血气分析之时会伴随着轻、中度的低氧血症。
Moderate poisoning: cough, expectoration, chest distress, dyspnea and dry and wet percussion sound. When chest X-ray is taken, the texture of the lung is substantiated and becomes scattered dots or flake shadow, which is the medical type of bronchopneumonia; the throat edema is increased to grade III. Blood gas analysis is accompanied by mild to moderate hypoxemia.
重度中毒：肺部及喉部情况出现恶化，出现肺水肿与四度喉水肿的病症，血气分析亦随之严重，为重度低氧血症。
Severe poisoning: the condition of the lung and throat worsens, and pulmonary edema and fourth degree laryngeal edema appear. The blood gas analysis is also serious, which is severe hypoxem