Surrounding rock control technology for large-deformation stoping roadway after anchor removing, roadway enlarging and shed substituting
The invention discloses a surrounding rock control technology for a large-deformation stoping roadway after anchor removing, roadway enlarging and shed substituting. The surrounding rock control technology mainly comprises the steps that the roadway enlarging mode of the large-deformation stoping ro...
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Format: | Patent |
Sprache: | chi ; eng |
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