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文中叙述了利用孔内双面聚能装药进行井壁切割爆破,有效地控制了裂缝的扩展,成功地完成了切割爆破井壁任务.
The paper describes the use of double-sided charge within the hole hole wall blasting, effectively control the expansion of the crack, successfully completed the cutting blasting borehole mission.