1.
Safety measure study of low coal fully mechanized mining face passing through geologic abnormal place
薄煤保护层综采工作面过地质异常区安全技术研究
2.
Extremely Thin Protectors Drilling Picks the Craft in Protector Mining Application
极薄煤层钻采工艺在保护层开采中的应用
3.
Practice on Mining Extremely Thin Protective Seam of Ⅱ_1 Coal Seam with Drilling Exploit Technology
钻采法在开采崔庙煤矿二_1煤极薄保护层的实践
4.
To cover with a thin protective layer.
覆盖以薄的保护层覆盖
5.
Deformation and Permeability Distribution Rule of Overlying Outburst Seam in Exploiting Extra-Thin Protective Seam by Drilling Method and Its Application in Pressure Relief Gas Drainage
极薄保护层钻采上覆突出煤层变形与透气性分布规律及在卸压瓦斯抽采中的应用
6.
Numerical simulation for protection scope of upper protective seam in steeply inclined multi-coal seam
急倾斜多煤层上保护层保护范围的数值模拟
7.
Sudy on the numerical simulation of the overlying strata movement of the far-distance protective coal seam
远程保护层开采上覆煤岩层移动规律
8.
Application of bolt-beam-mesh combined support technology in steeply inclined thin coal seams
锚梁网联合支护技术在急倾斜薄煤层中的应用
9.
Experimental Research on Quickly Tunneling Technique about Thin Seam under Complicated Geological Conditions
薄煤层复杂地质条件下掘进支护技术研究
10.
On compound support for composite roof in gob-side entry in thin coal seams
浅谈薄煤层复合顶板沿空留巷联合支护
11.
Crawley midget miner
克劳雷薄煤层采煤机
12.
Its thin outer shell had protected its liquid inside.
靠着一层薄薄的蛋壳保护着里面的蛋清。
13.
The technology of roadway protection with coal waste residue concrete and application in thin coal seam are introduced.
介绍了煤矸渣混凝护巷技术及其在薄煤层中的应用。
14.
Gas Drainage Technology with Borehole Through Protected Seam for Up Protective Seam Mining
开采上保护层被保护煤层穿层钻孔抽采瓦斯技术
15.
Research on Reasonable Dimension of Protective Pillar for Cross-cutin Steeply Inclined Coal Seam
急倾斜煤层石门保护煤柱合理尺寸研究
16.
an outer layer or coating applied to a surface for protection or decoration.
"装在外面的外层或薄层,为了保护或装饰."
17.
Overlying Strata Removing Regulationg of Unstable Thick Soil Layer Thin Bedrocks Shallow Coal Seam and Support Resistance Confirmation;
不等厚土层薄基岩浅埋煤层覆岩移动规律及支护阻力确定
18.
Research on Effect Law of Coal Seam Penetrability after Mining Protection Layer;
保护层开采对煤层渗透特性影响规律的研究