通过改进爆破的孔网参数、装药量与装药结构、起爆顺序等，从而形成了光面爆破。
By improving parameters of the blasting hole, the charge, charging structure and the priming order etc, the smooth blasting is formed.
介绍了炮采工作面毫秒爆破的自然条件和起爆顺序，详细阐述了毫秒管的布置方式，在实践中收到了良好的效果。
The natural conditions and order of the millisecond blasting are introduced. The arrangement ways of the millisecond pipes are expounded. It has made good result in practice.
采用的炸药的类型、岩石的特性、装岩方法、各个钻孔的起爆顺序，这些都影响着钻孔深度、直径、排列和间距的确定。
The type of explosive used, rock properties, and method of loading and sequence of firing the holes, affect hole depth, diameter, alignment and spacing.
实践证明，采用减小炮孔参数，改变装药结构，变化起爆顺序等方法，均可提高爆破效果；
Practice shows that adopting methods such as decreasing boring parameter, changing structure of explosive setting and sequence of initiation, etc. can improve blasting effect;
此外还介绍了起爆顺序、安全防护措施及爆破结果。
In addition, the blasting sequence, safety precautions and blasting results were presented.
拱形巷道崩落眼布置采用线形炮眼起爆顺序布置，可克服拱形岩石圈的拱效应，有利于岩石的破碎。
The linear hole patterns and ignition sequence is adopted on the easier shots patterns of arch tunnel. The arch effection of arch rock ring can be overcome , It is favorable for rock fragmentation.
拱形巷道崩落眼布置采用线形炮眼起爆顺序布置，可克服拱形岩石圈的拱效应，有利于岩石的破碎。
The linear hole patterns and ignition sequence is adopted on the easier shots patterns of arch tunnel. The arch effection of arch rock ring can be overcome , It is favorable for rock fragmentation.
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