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2007年5月15日,上四点班的山脚树矿南采区巷修三队职工代兴川和工友们散了班前会就一起来到井下,他们的施工地点在21127采面回风巷,任务是维护回风巷,进行
May 15, 2007, on the fourth class on the hill foot tree mine south mining lane three teams of workers Dexing Chuan and workers were scattered classes came together downhole, their construction site in 21127 face air return Lane , The task is to maintain the air return Lane