煤炭与化工
Home  |  (对应重点客户)不要改栏目名称  |  Message  |  中文
CCI
Current Issue| Next Issue| Archive| Adv Search |
Study on direct current method detection and borehole drainage of hidden old mining-out area water in roof
Sun Peng1, Jin Yufeng1, Sun Changsheng1, Liu Yongjun1, Li Baoping1, Lan Hao2
1. Jingyuan Coal Industry Yili Resources Development Co., Ltd., Yili 835700, China; 2. Energy and Mining Engineering College of Xi 'an University of Science and Technology, Xi 'an 710054, China


Copyright © CCI
Supported by: Beijing Magtech