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为了提高我省矿井通风瓦斯人员的技术素质和业务水平,搞好通风管理,杜绝重大事故的发生,省厅于1987年11月25日至28日在井陉矿务局举办了首届通风技术
In order to improve the technical quality and operational level of mine ventilation gas workers in our province and improve the ventilation management and prevent the occurrence of major accidents, the provincial department held the first ventilation technology at Jingjing Mining Bureau from November 25 to November 28, 1987