预防煤矿生产安全事故 preventing coalmine accidents
探讨分析了引发煤矿安全事故的深层次原因。
The paper discussed and analyzed the deep-seated reasons causing coal-mine safety accidents.
周一的事故重新引起人们对西佛吉尼亚上大支流煤矿安全事故历史的关注。
Monday's accident has brought to light a history of safety violation at the Upper Big Branch coal mine in West Virginia.
煤矿安全事故频发给无数家庭带来了灾难，也给社会造成了严重的经济损失。
Coal mine safety accidents had gave mischance for millions of families, made severe economic damnify for our society.
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