大庄子金矿矿体为高品位缓倾斜中厚矿体。
The ore deposit of Dazhuangzi Gold Mine is high grade gently dipping medium thick orebody.
对于矿石价值中等、品位中等的缓倾斜中厚矿体，目前无理想的采矿方法。
There seems no ideal method to mine medium grade, gentle dip and medium thickness orebody.
本文着重介绍缓倾斜中厚，上盘围岩中稳到稳固性较差条件下的矿体的采矿方法改进实践过程。
This paper introduced emphatically to mining method for the ore-body of gentle dip and medium thickness under the condition of medium or poor stableness of country rocks in upper wall.
顶板不稳定的缓倾斜薄、中厚矿体为典型的难采矿体。
Mining of gently inclined thin and medium thick ore body with unstable roof isregarded as typical hard-to-mine ore body.
顶板不稳定的缓倾斜薄、中厚矿体为典型的难采矿体。
Mining of gently inclined thin and medium thick ore body with unstable roof isregarded as typical hard-to-mine ore body.
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