1.
MONITORING AND SIMULATION RESEARCH ON DEVELOPMENT OF WATER FLOWING FRACTURES FOR COAL MINING UNDER XIAOLANGDI RESERVOIR
小浪底水库下采煤导水裂隙发育监测与模拟研究
2.
A study of coal resources mining under the Zhanghe Reservoir
漳河水库下煤炭资源开采可行性研究
3.
Top coal caving longwall mining in high coal seams under Yuecheng Reservoir:an engineering practice
岳城水库下综放开采厚煤层的工程实践
4.
Comprehensive Prevention and Control Technology of Goaf Water for First Coal Pillar Mining Face in Mining Dip Gateway
回采下山巷道煤柱首采面采空水综合防治技术
5.
They fxtract ten million ton of coal each year from underwater mines
他们每年从水下煤矿中采掘一千万吨煤
6.
They extract ten millions ton of coal each year from underwater mines.
他们每年从水下煤矿中采掘一千万吨煤。
7.
Coal mining production process and control the impact of groundwater
煤矿采煤生产过程对地下水的影响与防治
8.
Risk evaluation of water inrush from seam floor during mining of lower group in Zhaizhen coal mine
翟镇煤矿下组煤开采底板突水危险性评价
9.
The development and prospec of safe technology on excavating coal under water in china
我国煤矿水体下安全采煤技术的发展及展望
10.
Water Prevention and Control Technology of Seam Mining Under Thin Floor Condition
薄层底板条件下煤层开采防治水技术
11.
Detection of Leaking Velocity in Colliery Underpass on Left Side of Zhanghe Reservoir
漳河水库左岸煤矿地下透水通道流速探测
12.
The Investigation of Underground Reservoir Construction in the Excess Exploited Funnel Area
超采漏斗区漏斗填充式地下水库研究
13.
Comparsion study on water inrush prediction methods of coal mining under rich water aquifer in underground mine
富含水层下煤矿开采涌水量预测方法对比研究
14.
Water Controlled Coal Mining Technology Under Cracking Strata of Super Thick Gravel Layer with High Pressurized Water
高水压巨厚砂砾层裂隙岩体下控水采煤技术
15.
Study on combined mining and exploration for the thin coal seams very close under gob water
极近距离老空水下薄煤层联合开采探测研究
16.
The Study on the Coal Mine Mining to Groundwater Pollution's Appraisal Method;
煤矿开采对地下水污染的评价方法研究
17.
Research on Safety Effect of Limestone Water on Mining of Lower Seam Cluster in Liyan Coal Mine;
里彦矿灰岩水对下组煤安全开采影响的研究
18.
Research of Security Eeploiting Technology for Coal Below Corrosion Moisture Rock;
溶蚀含水岩层下煤炭安全开采技术研究