YU Xiaomin, ZHANG Jie, DU Hailong. Research on efficient drilling technology in hard-soft compositecoal in Changping Mine[J]. COAL SCIENCE AND TECHNOLOGY, 2018, (4).
Citation:
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YU Xiaomin, ZHANG Jie, DU Hailong. Research on efficient drilling technology in hard-soft compositecoal in Changping Mine[J]. COAL SCIENCE AND TECHNOLOGY, 2018, (4).
|
YU Xiaomin, ZHANG Jie, DU Hailong. Research on efficient drilling technology in hard-soft compositecoal in Changping Mine[J]. COAL SCIENCE AND TECHNOLOGY, 2018, (4).
Citation:
|
YU Xiaomin, ZHANG Jie, DU Hailong. Research on efficient drilling technology in hard-soft compositecoal in Changping Mine[J]. COAL SCIENCE AND TECHNOLOGY, 2018, (4).
|