safety accident of coalmine

• 煤矿安全事故

safety accident of coalmine的用法和样例：

例句

1. The safety responsibility system needs to be improved.
   切实纠正各种违规违章指挥和操作现象，防止重大安全事故发生。
2. The survey team believed that this is a significant food safety incident.
   调查组认为，这是一起重大的食品安全事故。