Compared with the conventional presplitting methods, the shaped charge is obviously more effective in presplitting blasting and especially useful in controlling the presplitting slots.
聚能爆破与普通爆破相比,爆破果高,能有地控制的扩展。
Compared with the conventional presplitting methods, the shaped charge is obviously more effective in presplitting blasting and especially useful in controlling the presplitting slots.
聚能爆破与普通爆破相比,爆破果高,能有地控制的扩展。
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