通过对柳钢屯秋矿开采中的爆破工作进行总结研究，提出采用露天开采深孔爆破的技术条件与安全保障措施。
The technical requirements adopted for open long-hole blasting and its insurance countermeasures were put forward by summarizing the blasting operation during exploiting the Tunqiu Mine of Liugang.
需要女人选择坚强、选择宽容、选择大度，尽放人性的光辉！“薄柳之姿，望秋而落；
Besides, it needs women to choose adamancy, allowance and magnanimousness, hence, to make a show in the human nature of more splendid!
需要女人选择坚强、选择宽容、选择大度，尽放人性的光辉！“薄柳之姿，望秋而落；
Besides, it needs women to choose adamancy, allowance and magnanimousness, hence, to make a show in the human nature of more splendid!
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