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概述了我国煤矿事故的现状,对近几年我国地方煤矿的伤亡事故进行了统计分析,探讨了事故发生的原因,提出了预防对策
Summarized the status quo of coal mine accidents in our country, conducted a statistical analysis of the casualties of local coal mines in recent years, probed into the causes of the accidents and put forward preventive measures