In order to achieve a good effect of a blast, up to date blasting technique and advanced management must be adopted with cultivating high qualified blasting personals as the first.

 
  • 为取得良好的爆破效果,必须从采用先进的爆破技术、先进的管理手段和培养高素质的爆破人员入手。
今日热词
目录 附录 查词历史