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马道矿1971年6月19日发生一次透水事故(与老窑掘通)。透水地点在四采区皮带反上山(见图),透水中造成13人被隔困在轨道反上山达三天三夜之久,后被救出。透水时,涌水以4万米~3/时的速度向外涌出,当时13人经联络小川跑至轨道反上山迎头处避难(见图)。两条下山(轨道与皮带)已灌满了水。灌满水的下山上口处的标高已超过避难地点的标高10米。在分析抢救方案时,有人认为避难地点的人员无生存希
Ma Dao Mine June 19, 1971 a flooding accident (with the old kiln digging). Permeable sites in the four mining belt belt anti-uphill (see photo), caused by permeable water 13 people were trapped in the track anti-up to three days and nights long after rescued. When water was flooded, the gushing water gushed outward at a speed of 40,000 m 3 / hour, when 13 people contacted Ogawa and went to the railings to take refuge (see photo). Two downhill (tracks and belts) have been filled with water. The elevation at the mouth of the filled water has exceeded the elevation of the place of refuge by 10 meters. In analyzing the rescue plan, some people think that there is no hope of survival in the evacuation site