Compared with the conventional presplitting methods, the shaped charge is obviously more effective in presplitting blasting and especially useful in controlling the presplitting slots.
聚能预裂爆破与普通预裂爆破相比,爆破
显提高,能有地控制预裂
展。
方法)Compared with the conventional presplitting methods, the shaped charge is obviously more effective in presplitting blasting and especially useful in controlling the presplitting slots.
聚能预裂爆破与普通预裂爆破相比,爆破显提高,能有地控制预裂展。
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