Usage: used in the development of an inclined ore bodies to provide increased rates of recovery of minerals and reduce the cost of maintaining and trans tailors exhaust openings as a result of discharge from 2 mining pressure. SUMMARY: refinement block reserves performed substage in descending order, refinement stocks excavation units of the first and the second stage in substage is produced into the upward, order, clearance side faces temporary pillar (cutter unit of the second stage) by the uprising performed by the direction of gravity, while said face of the underlying pillar substage Layout dissolved at working cutter unit overlying substage of the first stage to continue its outlet side workings, wherein prior to threaded openings formed in the underlying rocks yielding area in a plane perpendicular to the supporting action of pressure and issue stocks temporary pillar is produced by T caving. 1 h. n. f ly-2-yl. with G
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机译：用途：用于倾斜矿体的开发，以提高矿物的回收率，并降低维护成本和因开采2矿压而排出的排气口。概要：以降序执行子阶段的精炼区块储备，通过以下步骤进行的起义，将子阶段中的第一和第二阶段的细化库存开挖单元生产为向上，有序的间隙侧面临时支柱（第二阶段的切刀单元）重力方向，而下层柱子台面的所述面在上层台面的工作刀具单元上溶解，以继续其出口侧工作，其中，在下层岩石屈服区中形成的螺纹孔之前，垂直于平面T崩落是支撑压力和发行股暂时支撑的作用。 1小时。 f ly-2-yl。与G
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