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
与普通预裂相
,
果
显提高,能有地控制预裂缝的扩
。
Compared with the conventional presplitting methods, the shaped charge is obviously more effective in presplitting blasting and especially useful in controlling the presplitting slots.
聚能预裂与普通预裂相,果显提高,能有地控制预裂缝的扩。
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