residual hazard

例句：

1. 1.The construction site had a residual hazard that needed to be addressed immediately.
   施工现场有一个残余的危险需要立即处理。
2. 2. The company's safety protocols were designed to mitigate residual hazards.
   公司的安全规程旨在减少残余危险。
3. 3. The accident highlighted the importance of regular maintenance to prevent residual hazards.
   这次事故凸显了定期维护的重要性，以防止残余危险。