The technology could greatly improve blasting effect and efficiency,dramatically reduce blasting vibration,secure the safety use of side drift and slide in its service time and facilitate the protection of the stability of high and steep slope.

 
  • 爆破降震效果明显,可确保平硐溜井在服务期内的安全使用,有利于保护采场高陡边坡的稳定。
今日热词
目录 附录 查词历史