1.事故情况有一煤矿的放炮员连接好掘进工作面的炮线之后,小心翼翼地向外放着放炮母线,生怕碰上电机车架线和电缆引起意外爆炸。但刚把放炮母线放到离掘进工作面约80m处,突然间“轰”的一声巨响,炮眼提前引爆了,幸好没有伤着人。 1. Accident Case A coal mine gunner connected to the heading face of the gunway, carefully placed outside the firing bus, fear of running into the motor frame line and cable caused by accidental explosion. However, the blasting bus just put about 80m away from the working face of excavation, and suddenly a loud noise of “boom” was made. The blasthole was detonated in advance, but fortunately nobody was hurt.