flat seam是什么意思

网络释义

用法例句

Characteristics of displacement and derformation of rockmass and horizontal ore layer(abbreviated as HOL below) in No.

对于金川二矿区1#矿体水平矿层近年来随开采逐渐变薄而日渐突出的变形及稳定问题,采用FLAC3D软件对二矿围岩及水平矿层在开采过程中的位移及变形特征进行了分析。

To deeply research the theory of locating the missing ore beds through faults on complicated geological conditions

复杂地质条件下过断层寻找断失盘矿层理论研究

Sulfur ore bed occurrence in submember of the No.

自然硫矿层在汶口组二段上亚段,泥质灰岩-含泥灰岩-含云灰岩-石膏岩韵律层中的白云岩-石膏岩层段发育。

horizontal cut and fill stoping

水平分层充填采矿法

timbered horizontal cut and fill stoping

木支护的水平分层充填采矿法

flat back cut and fill method

水平分层充填开采法

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

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

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

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。

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

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

rill cut and fill method

倾斜分层充填采煤法

Application of mechanized panel slicing backfilling mining method in Jilongshan gold mine

机械化盘区分层充填采矿法在鸡笼山金矿的应用

Discussion and Practice of Vertical Parallel Hole Caving Technology with Sub-level Filling Method

分段充填采矿法垂直平行孔落矿技术探讨与实践

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

top slicing combined with ore caving

下向水平分层崩落采矿法

square set and back filling method

方框支架充填采矿法

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

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