Through analyzing the blasting vibration test data,the fact could be found that the average vibrating velocity of down-role-hole MS blasting was reduced by 26.66%,compared with that of down-hol...

 
  • 通过爆破震动测试数据可以看出;孔内孔间延时爆破的平均振速比孔间延时分层爆破降低26.;66%25;比孔间延时深孔爆破降低43
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