浅析固定支承压力影响区内回采的矿压显现及顶板管理

Preliminary Discussion on Rock Pressure Videograph of Fixed Support Pressure Affected Zone Coal Winning and Roof Management

文章以高阳煤矿 4 30 6工作面为例 ,对固定支承压力影响区内回采的矿压显现及顶板管理 。