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 |
Collaborative management of gas extraction and water prevention and control in the process of mining and excavation in mines
Yang Liu 1, Wu Wei 2
 1. Beijing Longruan Technology Co., Ltd., Beijing 100190, China; 2. Shanxi Coking Coal Energy Group Co., Ltd., Taiyuan 030006, China


Copyright © CCI
Supported by: Beijing Magtech