ISSN 2096-4498

   CN 44-1745/U

二维码
Influence of Bit Profile on Drilling Efficiency of DowntheHole Drill Bit
TAN Hao
Tunnel Construction . 2022, (6): 1084 -1090 .  DOI: 10.3973/j.issn.2096-4498.2022.06.017