Zobrazeno 1 - 1
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pro vyhledávání: '"Bei Zhuang Hua"'
Publikováno v:
Applied Mechanics and Materials. 318:225-230
This paper put forward the overall index of the new point-to-bit type rotary steering drilling tool. It briefly researched the steering mechanism mechanics model (composite beam) and the new point-to-bit type rotary steering drilling tool structure.