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pro vyhledávání: '"Jiakuan GUO"'
Autor:
Yonglong WANG, Yuxiang PEI, Yuning SUN, Zaijiang YU, Lipei DING, Yue WU, Jiakuan GUO, Kang DU
Publikováno v:
Meitan xuebao, Vol 48, Iss 9, Pp 3420-3427 (2023)
In order to solve the technical problem of gas blowhole over-limit in gas drainage holes, a method of weakening the gas gushing in the borehole was proposed. The structural model of a hole-bottom combined damping drilling tool was constructed. By est
Externí odkaz:
https://doaj.org/article/bc9875b47beb48579ecd4fddcbf67a27
Publikováno v:
Energy Science & Engineering; Oct2024, Vol. 12 Issue 10, p4763-4772, 10p