煤层回采工作面底板破坏探查技术的发展现状
, 孙斌杨 Development Status of the Detection Technology for Coal-seam Stope Floor Damage
Zhang Pingsong, Sun Binyang*
, Sun Binyang 
煤层回采工作面底板破坏探查技术的发展现状 |
|
张平松, 孙斌杨 |
Development Status of the Detection Technology for Coal-seam Stope Floor Damage |
|
Zhang Pingsong
, Sun Binyang |
| 回采工作面底板岩层受力变化示意图 |
| |