浅谈3404采煤工作面顶板管理

摘要

顶板事故经常会影响到煤矿的正常生产,何岗煤矿通过加强3404 采煤工作面的顶板管理,实现矿井的安全生产.%Roof accident often affects the normal production of coal mine,Hegang Coal Mine realizes the safe production of mine by strengthening the roof management of 3404 working face.