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阳泉矿务局二矿自燃煤矸石山治理工程,经过四个多月的防自燃深孔注浆模拟试验后,正式在自燃矸石山上进行防灭火工程实施。他们采用汽车工程钻孔,在斜坡上挖沟
Yangquan Mining Bureau II spontaneous combustion coal gangue management project, after more than four months of anti-spontaneous combustion of deep-hole grouting simulation test, the official in the spontaneous combustion of waste rock fire prevention and control projects. They use car engineering to drill holes and dig ditches on slopes