Drilling Technologies of Feeding Hole, Ventilation Hole and Rescue Hole in Coalmine
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Author:
- 杨引娥
杨引娥
The Tnstitute of Exploration Techniques, Ministry of National Land
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Affiliation:
The Tnstitute of Exploration Techniques, Ministry of National Land
Clc Number:
P634.5
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Abstract:
The paper introduced the drilling technologies and the implements of feeding hole, ventilation hole and rescue hole in coalmine, and discussed leading drilling and reaming technologies for these engineering drilling with the construction cases of China Shenhua Group.
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History
- Received:January 30,2013
- Revised:January 30,2013
- Adopted:February 16,2013
- Online: March 25,2013
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