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 wetting radius of coal seam water injection drilling in coal mining face
Kou Derui
Lanzhou Coal Mine Design and Research Institute Co., Ltd., Lanzhou 730000, China


Copyright © CCI
Supported by: Beijing Magtech