出现意外  Unexpected

苯妥英纳意外中毒  Poisoning by Hydantoin derivatives

苯意外中毒  Toxic effect of benzene

不可避免的意外事故  inevitable accident

不要揣测意外成因  not to speculate on the cause of the accident

出乎意外之噪声  unpredictable noise

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

儿童意外  children’s accident

儿童意外伤害  Unintentional injury

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

发生意外  Backfire

发生意外预留量  margin for contingencies

发现意义  discoverymeaning; discovery meaning

防止意外  accidentproof

飞机意外事件  aircraft incident