Usage scale enlargementof combined mechanical caving for geological conditions
FU Guo- qing (Hebi Coal Mining Company;
Abstract：
It is analyzed that the geological conditions fitted for combined mechanical caving and enlargem ent of usage scale,and put forward the study direction and contents.
Key Words： combined caving;geological conditions;applicabilit
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Author: FU Guo- qing (Hebi Coal Mining Company;
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