Zobrazeno 1 - 1
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pro vyhledávání: '"Longjun Tian"'
Publikováno v:
Applied Sciences, Vol 14, Iss 23, p 11184 (2024)
Down-the-hole (DTH) hammer drilling has high rock-breaking efficiency and a decisive advantage in hard rock drilling, which can reduce the cost of geothermal drilling. However, when the drill bit rotation speed and the DTH percussion frequency do not
Externí odkaz:
https://doaj.org/article/e2cd6c89c2844a0e82d70510606117d4
