证实意外事故原因之检验报告或专家报告。

Testing report or expert's report to substantiate the cause of accident.

youdao

安全生产，预防为主“盗窃工厂财物，对发生意外事故应立即报告，及时采取措施，对在功人员给予奖励。”

"Safe production, prevention first", if anyone find somebody suspicious, report to office immediately, rewards will be given.

youdao

你的报告里有讲工作中的意外事故的段落吗？

Is there a section on accident at work in your report?

youdao