意外事故 [安全] accident ; Fortuitous accidents ; [安全] contingency ; contretemps

观察意外事故的现场 to watch the accident

意外伤亡事故频率 accident frequency rate

意外事故保险 accident insurance ; casualty insurance ; contingency insurance

意外事故报告 accident report

意外事故险 accident ; accidental damage

事故、意外的事 accident

海上意外事故 fortuitous accidents ; marine accident ; Fortuitous Accidents at Sea ; Marine Fortuitous Accidents

意外事故用损害赔偿 A&I accident and indemnity ; accident and indemnity