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炉底爆破清渣在进行爆破清渣作业之前,先将炉底爆破部位的铁板护壁用气焊切割掉,切割范围根据清渣作业的要求,在布置炮孔时要尽量利用炉底火口作为爆破的自由面
expl. bottom accretion blasting

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