safety accident of coalmine
英
美
- 煤矿安全事故
双语例句
- 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。 - 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。
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