1) trench bottom structure
堑沟受矿底部结构
1.
In view of existing problems of bottom structure in stopes in Xinqiao Pyrite Mine,trench bottom structure is selected by making analysis and comparison between both bottom structures of trench and mill hole bottom and optimal parameters of trench bottom structure are studied systematically with theory formula.
针对新桥硫铁矿目前采场底部结构所存在的问题 ,通过对堑沟底部结构和漏斗底部结构进行分析比较 ,选择了堑沟受矿底部结构 ,并系统地运用理论公式对底部结构的主要参数进行了优化。
2) Trench gathering of ore
堑沟受矿
3) flat-bottom trench
平底堑沟
1.
According to geology conditions of Ⅳ-1 ore body in Suichang gold mine, scraper shrinkage method is applied in the test which the method use flat-bottom trench structure and scraper to draw ore.
针对遂昌金矿Ⅳ -1矿体的地质开采条件 ,试验了平底堑沟受矿电耙运搬底部结构的电耙留矿采矿法 ,取得了较好的经济效益。
4) Trench ore-drawing
堑沟出矿
6) bottom structure
底部结构
1.
Discussion on scraper ore drawing bottom structure in block caving
自然崩落法铲运机出矿底部结构的探讨
2.
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。
3.
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。
补充资料：云堑
1.云雾缭绕的山沟。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条