ISSN 2096-4498

   CN 44-1745/U

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Bearing Capacity of Drill Pipe Joint Thread of Horizontal Directional Drilling Machine and Its Structure Optimization

LIU Zaizheng
Tunnel Construction . 2022, (S2): 487 -493 .  DOI: 10.3973/j.issn.2096-4498.2022.S2.061

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