Research on and Design of a Self-Propelled Nozzle for the Tree-Type Drilling Technique in Underground Coal Mines

Author： Lu Yiyu   Zhou Zhe   Ge Zhaolong   Zhang Xinwei   Li Qian  

Publisher： MDPI

E-ISSN： 1996-1073|8|12|14260-14271

ISSN： 1996-1073

Source： Energies, Vol.8, Iss.12, 2015-12, pp. : 14260-14271

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