由兖矿集团济宁 2号煤矿与煤炭科学研究总院、中国矿业大学等单位共同开发研制的“中厚煤层高产高效工作面成套设备与开采工艺研究”项目 ,近日通过山东省科技厅组织的鉴定 .据介绍 ,该成果标志着我国在中厚偏薄煤层条件下的高产高效开采水平跨入世界先进行列 .　　此设备与工? The project of “Research on complete set of equipment for high productivity and high efficiency working face and mining technology in medium-thick coal seam” jointly developed by Yankuang Group No. 2 Coal Mine and Coal Research Institute, China University of Mining and Technology has recently passed the appraisal organized by Shandong Science and Technology Department According to reports, the results indicate that our country in the thick seam under the conditions of high yield and efficient mining into the advanced ranks of the world.