激光-PDC钻头联合破岩机理及特性研究 |
| 黄志强,梁耀文,陈科,翟预立,雷雨薇 |
|
Research on the mechanism and characteristic of joint rock-breaking of laser-PDC drill bit |
| Zhiqiang HUANG,Yaowen LIANG,Ke CHEN,Yuli ZHAI,Yuwei LEI |
| 图2 椭圆形光束辐射示意图 |
| Fig.2 Schematic diagram of elliptic beam radiation |
|