Suitable parameters of perimeter blasting were obtained with good results.In the final, the paper discussed the blasting mechanism of the frozen soil and the blastin...
通过试验获得了较好效果下周边爆破的适宜参数,并土的爆破机理和爆破管的响问了探讨。
Suitable parameters of perimeter blasting were obtained with good results.In the final, the paper discussed the blasting mechanism of the frozen soil and the blastin...
通过试验获得了较好效果下周边爆破的适宜参数,并土的爆破机理和爆破管的响问了探讨。
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