The vertical and parallel relations of the trench with drill drift are summarized by the bottom structure disposal design on inclined orebody footwall.
The effects of bottom structure of submerged nozzle on the flow field and temperature field of molten steel in the mold were analyzed and compared.
比较和分析了浸入式水口底部结构对结晶器内流场和温度场的影响,为优化浸入式水口结构参数提供参考。
The thinking of importing of large sized trackless self propelled equipments,the optimization of blast parameter and the improvement of bottom structure is put forward which give reference to the stoping of such kind orebody.
