Optimized and studied the new bottom structure with ore gathering by trench and vibration flow-aiding.
优化研究了新型堑沟受矿振动助流底部结构。
The vertical and parallel relations of the trench with drill drift are summarized by the bottom structure disposal design on inclined orebody footwall.
通过对倾斜矿体下盘底部结构的设计，总结了堑沟与凿岩巷道在垂直与平行位置关系，经比较和验算后合理设计底部结构，减少了开采损失贫化。
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