Rock-Breaking Properties of Multi-Nozzle Bits for Tree-Type...

Rock-Breaking Properties of Multi-Nozzle Bits for Tree-Type Drilling in Underground Coal Mines

Lu, Yiyu, Xiao, Songqiang, Ge, Zhaolong, Zhou, Zhe, Deng, Kai
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Volume:
9
Language:
english
Journal:
Energies
DOI:
10.3390/en9040249
Date:
March, 2016
File:
PDF, 7.13 MB
english, 2016
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