The stoping scheme of sublevel caving and continuous mining was optimized, and optimization design of driving work was carried out.
优选出了分段凿岩连续崩矿回采方案，并对采切工程进行了优化设计。
Medium and deep hole casting blast sublevel open stoping method is suggested and its suitability to the stope ground pressure is expounded.
提出了中深孔抛掷爆破分段空场法，并阐明其对采场地压的适应性。
To fully exploit the resources, Qingtonggou Mercury-antimony Mine adopts the sublevel open stoping with delayed filling to recover the remanent ore-body at the medium stage of 550~600 m.
青铜沟汞锑矿为充分开采井下资源，选择采用分段空场嗣后充填采矿法回采550~600 m中段的部分残矿体。
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