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前不久,山西再次发生特大矿难,70多名职工遇难,消息传来,举国震惊。事故惨痛,发人深省。2004年以来,国有企业屯兰矿一直保持了百万吨死亡率为零的纪
Not long ago, there was another huge mining accident in Shanxi Province. More than 70 workers were killed. The news came as a shock to the whole country. The accident painful, thought-provoking. Since 2004, the state-owned Tunlan Mine has maintained a zero mortality rate of 1 million tons