back filling system是什么意思

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用法例句

This paper present the sectional filling mining method,the mixed filling materials of complete tail are used as bonded filling aggregate in this method.

介绍了分段充填采矿法使用全尾砂、江砂混合充填材料作为其胶结充填骨料的试验研究 ,通过一系列的室内试验和生产实践 ,经济合理地选择了混合充填材料的配比、渗透性、沉降性以及充填体强度等参数 ,并取得了较好的效果。

The 3D finite difference program,FLAC3D,was used to establish two mining models of upward slicing and backfill method of different horizontal mining thickness for Yinchanggou and Qiluogou in Ningnan County,Sichuan Province,and the stability of the surrounding rock mass was analyzed.

针对四川省宁南县银厂沟矿和骑骡沟矿开采,采用三维有限差分程序FLAC3D法,建立了两种不同水平回采厚度的上向分层充填法开采的数值模拟模型,研究了采场上覆岩层的稳定性。

Application of the Upwards Cut-fill Mining Method in Ganzhou Uranium Mine and its Prospect

上向分层充填采矿法在赣州铀矿的应用及展望

horizontal cut and fill stoping

水平分层充填采矿法

Unite Mining Test and Application of Shallow Hole Shrinkage Stoping Method and Up Level Slicing Filling

浅眼留矿与向上水平分层充填法联合开采试验与应用

New application of upward slicing and filling by tailing in Chuang-Shang Gold Mine

上向分层尾砂充填法在仓上金矿的新应用

The Application of the Cut and Fill with Mullock in Dongdashan Iron mine

上向水平分层废石充填法在东大山铁矿的应用

timbered horizontal cut and fill stoping

木支护的水平分层充填采矿法

The upward horizontal slice stoping and filling without intervening pillar is the main mining method in Huangshaping Pb-Zn Mine.

上向水平分层充镇无间柱采矿法是黄沙坪铅锌矿的主要采矿方法。

The indoor experiment on the filling materials used for downward slicing drift mining with cemented bacKfill in Gaolong Gold Mine was performed.

对高龙金矿下向分层进路胶结充填采矿法所用的充填材料进行了室内试验研究。

overhand cut and fill

上行分层采掘充填开采法

Study on Technology of Large Access Upward Horizontal Layer Cut and Fill Stoping with Hydrualic Props Roof Supporting

水压支柱护顶大进路上向水平分层充填采矿工艺技术研究

Application of Room and Pillar Mining Method in Under-sea Deposit

分矿房矿柱分层充填法在海底开采中的应用

PRACTICE OF UPWARDS DRIFT HDRAULIC FILL MINING IN WUSHAN COPPER MINE

武山铜矿上向进路水砂充填采矿法生产实践

rill cut and fill method

倾斜分层充填采煤法

flat back cut and fill method

水平分层充填开采法

Stability Analysis of Winning Track's top Tray of upper to Lamination Consolidated Fill

上向分层胶结充填采场顶板稳定性分析

The Method of Downward Direction Lamination Tails Cemented Backfill Mining and Its Application and Practice in The DaLing Ore of JIEN Nickel

下向分层尾砂胶结充填采矿法在吉林吉恩镍业大岭矿的应用与实践

Experimental Study on Mining Method of Dry Backf Illing in Shanggong Gold Mine;

上宫金矿干式充填采矿方法试验研究

A Study on Rock Pressure of Ascending Order in Mining Adjacent Gypsum Seams with Long Wall Picking Fill

近距离石膏矿层长壁充填法上行开采的矿压研究