1.
Study on Influence Extent of Fault Nature to Roof in Light Caving Mining
断层性质对轻放开采顶板影响程度研究
2.
Technology of Light-support Caving Mining with Large Angle
轻放工作面大倾角仰斜开采工艺技术
3.
Continuous recovery technology for large downhill of light caving face in island seam
孤岛轻放工作面过下山连续开采技术
4.
Light-type and low-position top coal caving longwall mining technology:its study and application in Zhenchengdi Coal Mine
轻型低位放顶煤开采技术在镇城底矿的研究与应用
5.
Research on the defining of slip mining parameter of linght roof mine and the law of the surface moving deforming
轻型放顶煤条带开采参数的确定及地表移动变形规律
6.
Are you kidding? Relax?
在开玩笑吗？ 放轻松？
7.
Research and Application of Full-mechanized Caving Mining with High Mining Height in Huaibei Mining Area
淮北矿区大采高综采放顶煤开采技术
8.
Application of the light-caving technology in the large dip argle depression mining work face
轻放工艺在大倾角俯采工作面的应用
9.
glory-hole system
露天放矿漏斗开采法
10.
underground milling
地下放矿漏斗开采法
11.
Roof-coal Falling Characteristics Analysis in Fully-mechanized Caving
综放开采顶煤冒放性因素分析与评价
12.
During the war, a number of young men were recruited into the mining industry.
战时，一批年轻人被征从事开采业。
13.
Reasonable Mining Height of Full-mechanized Caving Mining in Softly Inclined and Extra-thick Coal Seam
缓倾斜特厚煤层综放开采合理开采厚度的确定
14.
Practice on Mining Method Changing from Top Coal Caving Mining to Top Slice Mining
工作面由放顶煤开采改为顶分层开采的实践
15.
Application of the Light Breaking Props on the Comprehensive Mechanized Mining Faces in Malan Coalmine
轻型放顶煤支架在马兰矿综采工作面的应用
16.
Numerical Simulation Analysis of Spontaneous Combustion of Light Caving Coal Face in Goaf;
轻放面采空区煤炭自燃规律数值模拟分析研究
17.
They opened its pages to the young Henry James.
他们把园地开放给年轻的亨利·詹姆斯。
18.
Study on Coal Rock Caving Laws and Technological Parameters of Top-Coal Caving of Fully Mechanized Mining with Great Cutting Height for Thick Coal Seam;
厚煤层大采高综放开采的煤岩冒放规律及放煤工艺参数研究