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 |
Research and application of overlong working face and large cross section empty lane technology
Wang Yufei1, Qin Ying2, He Wanshun3, Xi Zhichao2
1. Ordos Yihua Mining Resources Co., Ltd., Ordos 017318, China; 2. Lugou Mine of Zhengzhou Coal Industry (Group) Co., Ltd., Zhengzhou 450042, China;3. Zhongyu Yuetai (Beijing) Technology Co., Ltd., Beijing 101300, China


Copyright © CCI
Supported by: Beijing Magtech