It is concluded through the testing that the process provides high penetration rate, deeper depth and explosive installation without tripping drilling tools;and its application is of good prospect.

 
  • 通过试验应用得出结论,该工艺方法具有钻进速度快、成孔深度深、有效实现不提钻下炸药等优点,具有良好的应用前景。
今日热词
目录 附录 查词历史