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Abstract 62711 working face was the first mining face Northern No.7 of the Du'erping Mine. In order to improve the recovery rate and ease the production connection problem, the “automatic road-forming process along the top of the roof was applied.” In this process, the related research of the mining pressure of the working face and roadway were carried out, The roadway was successfully completed with the remaining 1 500 m.providing a reliable basis for the mine production.
recovery rate; gob-side entry retaining; topping pressure relief;
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