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- Bench open stoping 阶段空场
- The experimental study of sublevel open stoping with tail filling and pre controlling of roof was introduced. 介绍了河东金矿预控顶分段空场尾砂充填采矿法试验研究。
- Datuanshan XI #2 orebody at shizishan copper mine is a deep large size orebody,mined by the sub level open stoping method. 狮子山铜矿大团山XI%232矿体系深部厚大矿体,采用分段空场法开采。
- Therefore,different mining methods including sublevel caving,sublevel open stoping with subsequent filling are tried to solve these problems. 采矿方法从充填法改为分段崩落法、阶段崩落法及分段空场嗣后充填法,使采矿方法不断改进和完善,提高了矿山生产能力和矿石回收率。
- HU Ji-ping.A case study of modern underground mining methods (IV):sublevel open stoping with draw points on footwall [J].Foreign Metal Mining Magazine,1990(9):40-43. [4]胡际平.;现代地下矿山采矿方法典型实例 (八)--下盘漏斗分段空场采矿法[J]
- The test for the wide span open stoping with subsequent fill in a high stress environment below the opencast pit was made in Deep Copper Mine operated by Baiyin Nonferrous Metals Co. 白银深部铜矿在露天坑下部高应力环境下试验了大跨度空场嗣后充填采矿法。
- Abstract: The cause for blasting toes in open stope of Tiegukeng mine was analyzed, the corresponding modification measures were proposed and the blasting effect of the stope were improved. 文摘:对铁古坑矿露天采场爆破产生根底的原因进行了分析研究,提出了相应的改进措施,使采场爆破效果得到了改善。
- This paper introduced the applocation of the open stope method of blast transport with artificial pillars in the mining of inclined and extra-narrow gold vein, and made an evaluation of that method. 本文论述人工柱爆力运搬空场采矿法在倾斜极薄金矿脉的应用,并对该法进行评价。
- The two of them were necking on a park bench. 他们俩在公园的长凳上拥抱亲吻。
- In open stopes the ground above the stope will support its own weight.So the stope is shaped like a series of rooms divided by walls or supported by pillars of ore. 空场回采工作面利用采场上方的岩层支撑自身的重量,所以采场被切割成一系列的由矿壁分隔或用矿柱支撑的峒室。
- The old man sat on the park bench look familiar. 坐在公园长椅上的那个老人看上去很面熟。
- sublevel full shrinkage pillar open stoping 分段全面留矿房柱空场法
- The two of them are necking on a park bench. 他们俩在公园的长凳上拥抱亲吻。
- backfill mining method of open stope in one time 空场嗣后一次充填采矿法
- After a long rest on the bench we moseyed up to the museum. 我们在长凳上休息了许久之后便信步向博物馆走去。
- sub-level open stope succeed by fill 分段空场嗣后充填法
- The bench often does duty for a table. 这条长凳经常当桌子用。
- The bench read the sentence to the criminal. 法官向罪犯宣读了判决。
- Narrow sublevel open stope method 窄分段分采空场法
- The government front bench or the treasury bench. 政府成员前排席或国务大臣前排席。