煤炭科学技术
ú̿��ѧ����
��ȫ���������� ����Ŀ¼| ����Ŀ¼| �������| �߼����� |
��ͬ�׼���ɿ׶����Ԥ�ѱ�����͸Ч��Ӱ���о�
����1���Ƴ���1,2,3��������1���˴�1
1.���ݰ��Ϳ�ҵ�Ƽ����̹ɷ����޹�˾������ ����550081��2.��˹�ֺ������Ӧ�����������ص�ʵ���ң�����400037�� 3.�й�ú̿�ƹ����������о�Ժ���޹�˾������400037
Study on gas drainage boreholes with different space distances between boreholesaffected to pre-cracking blasting enhancement effect of deep boreholes
JIA Teng, HUANG Changguo��LIU Gongjun��DENG Chuan
1.Guizhou Anhe Mining Technology and Engineering Company Limited, Guiyang550081, China; 2.State Key Lab of Gas Disaster Monitoring and Emergency Technology, Chongqing400037, China; 3.Chongqing Research Institute, China Coal Technology and Engineering Group, Chongqing400037, China

 

             

版权所有 © 《煤炭科学技术》杂志社
地址:北京市朝阳区和平街13区煤炭大厦12层  邮编:100013
电话:010-84262926  邮箱: mtkxjs@vip.163.com  
京ICP备05086979号-18  [后台管理]