1.
Crawley midget miner
克劳雷薄煤层采煤机
2.
Analszing the Influence on the Mass Rate of Coal From the Parameters of Screw Dram of Shearer
采煤机滚筒参数对采煤出块率的影响
3.
Application of Saw Mining at No.43004 Coal Face in Dongfeng Coal Mine
锯式采煤法在东风煤矿43004采煤工作面的应用
4.
On Thin Coal Mining and Application of Plow Coal Technology
我国薄煤层开采及刨煤机采煤技术的应用
5.
The Influence of Seam Occurrence on Fully Mechanized Top Coal Caving
煤层赋存状态对综采放顶煤采煤法的影响
6.
rill cut and fill method
倾斜分层充填采煤法
7.
Formerly the coal was dug with picks and spades.
从前用镐和铁锹采煤。
8.
They extract coal from seams
他们从矿层中采煤。
9.
a front - page feature on coalmining
有关采煤的头版特写
10.
Application of MG400/940-WD Type Shearer
MG400/940-WD型采煤机的应用
11.
Study on Spontaneous Combustion Risk of Mining Coal Seam Gob in DuErPing Coalmine
杜儿坪煤矿主采煤层采空区自燃危险性研究
12.
Idea on combined coal mining technology with multi coal shearers for longwall coal mining face
长壁工作面多采煤机联合采煤工艺的构想
13.
Determination of Ventilation Way at Coal Face with Longwall Mining Method
长壁采煤法采煤工作面通风方式的确定
14.
A research and application of automated fully mechanized longwall mining technique for use in low coal seams
薄煤层综采自动化采煤工艺技术研究与应用
15.
Scientific and reasonable determination of salary per ton coal mined for coal mining teams at coal mines;
煤矿采煤区队吨煤工资单价科学合理的确定
16.
Research on Equipments Coordination for Shearer in Soft Coal Thin Seam with Hard Roof
硬顶软煤薄煤层滚筒采煤机设备配套研究
17.
Sampling of coal in seam
GB482-1995煤层煤样采取方法
18.
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