苯妥英纳意外中毒
Poisoning by Hydantoin derivatives
不要揣测意外成因
not to speculate on the cause of the accident
传动系统意外接合
accidental transmission engagement
胆囊肿瘤,意外
Unexpected gallbladder carcinoma
调查意外成因
identify the causes of the incident
调查意外起因
investigate the cause of the accident
二氧化硫意外中毒
Toxic effect of sulfur dioxide
二乙麦角酰胺意外中毒
Poisoning by Lysergide [LSD