The stability of pillars is a very important factor to mining safety.

矿柱的稳定性是影响矿山生产安全的重要因素.

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In the process of mining, it is very important for mining safety to monitor gas concentration.

在煤炭开采过程中, 井下瓦斯浓度的测量对煤矿安全生产非常重要.

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January 4, 2010, Huaibei Mining Safety Working Conference was held at the Convention Center.

1月4日, 淮北矿业2010年安全生产工作会议在会议中心举行.

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