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由三河尖煤矿和中国矿业大学共同研究的“高档放顶煤回采工艺及矿压研究”成果于８月９日顺利通过了徐州矿务集团有限公司组织的技术鉴定。课题组成员从支架与围岩的主要关系入手，根据原有高档普采工作面的实际，采取了妥善的办法，较好地解决了高档放顶煤工作面矿压显现对支?
The research results of “High-grade Caving Mining Technology and Mine Pressure” jointly researched by Sanhejian Coal Mine and China University of Mining and Technology passed the technical appraisal organized by Xuzhou Mining Group Co., Ltd. on August 9. The members of the research group started with the main relationship between the supports and the surrounding rock and took a proper approach based on the actual situation of the original high-grade general mining face to solve the problem of the mine pressure of the high-grade caving face well.