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 |
Yuandian No.1 Mine 1021 Working Face Roof Caving Rule and Gas Extraction Research
SHU Jian-jun1, LI Yang2, PENG Tao3
1. No.325 Geological Team, Bureau of Geology and Mineral Exploration of Anhui Province, Huaibei 235000, China;
2. Qinan Mine, Huaibei Coal Mining Group, Huaibei 235000, China; 3. School of Earth and Environmental, Anhui University of Science and Technology , Huaibei 232001, China


Copyright © CCI
Supported by: Beijing Magtech