Ellen Smith, the editor of mine Safety and Health News, said the Upper Big Branch mine was the site of two fatalities in the previous 10 years.
《煤矿安全与健康新闻》的编辑艾伦·史密斯称，上大支流煤矿在过去10年里已经发生过2次灾害。
"I've been saying this for years, but it certainly falls on deaf ears at MSHA (the federal Mine Safety and Health Administration)," Oppegard said.
“我一直说这几年，但它肯定属于聋子的耳朵在上msha的联邦矿山安全与卫生管理局”Oppegard说。
In the year before the explosion, the mine safety and Health Administration (MSHA), a federal agency that monitors mine safety, cited the Sago mine 208 times for safety violations.
在爆炸发生的前一年，矿山安全和卫生署，一家负责监督矿山安全的联邦机构，引用了违反安全条例的Sago矿场多达208次。
Mine dust seriously threats the mine safety production and the staff health.
粉尘严重威胁矿井安全生产和职工身体健康。
With the mine Health and Safety Act, this part introduces the main measures and features in various stages of mine industrial management.
该部分主要以南非《矿山健康与安全法》为依据，论述南非在矿山工伤管理各阶段的主要措施及其特征。
Coal mine safety regulation is an important instrument to correct market failure and to protect miners' rights of health and safety in the course of mining.
煤矿安全规制是纠正市场失灵、保障煤矿工人劳动过程中健康和安全的重要手段。
Coal mine safety regulation is an important instrument to correct market failure and to protect miners' rights of health and safety in the course of mining.
煤矿安全规制是纠正市场失灵、保障煤矿工人劳动过程中健康和安全的重要手段。
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