1.
Numerical Simulation for Pressure-relief Effect of Coal Slotting with High-pressure Water Jet
高压水射流煤层切槽卸压效果的数值模拟
2.
drunken saw
【机】切[开]槽锯
3.
The groove so cut.
榫槽这种切割的凹槽
4.
Simulation Study of the Influence of Groove Structures of Tool and Surface Coating on Cutting Process;
刀具槽型结构及表面涂层对切削过程影响的仿真研究
5.
In view of the problems occurring in trapezoidal support used in coal seam gateway, a novel small-curvature arch support for mining engineering is presented.
针对煤层顺槽梯形支架存在的问题，提出一种新型结构的小曲率拱型支架。
6.
A TEST AND RESEARCH ON UNLOADING BY BLASTING IN COAL SEAM 2 IN MEN TOU GOU COLLIERY
门头沟煤矿二槽煤爆破卸截试验研究
7.
superior prosthion
上颌中切牙牙槽嵴顶点
8.
multi-functional slitting machine for corrugated paperboard
多功能瓦楞纸板切槽机
9.
groover concrete cutter
开槽式混凝土切削机
10.
Tangential keys and keyways
GB/T1974-1980切向键及其键槽
11.
abscess of alveolus
牙槽脓肿切开引流术
12.
tenoning and trenching machine
榫头切削和开槽两用机
13.
The formation and development of the diwa controlled the distribution and metamorphism of coal.
地洼的形成与发展对中,古生代煤层赋存、变质关系密切。
14.
The truss cable support technology at the large cross-section set-up room with thick and broken coal roof
大断面厚层破碎煤顶综放切巷桁架锚索支护技术
15.
Sampling of coal in seam
GB482-1995煤层煤样采取方法
16.
Chinese classification of in seam coals
GB/T17607-1998中国煤层煤分类
17.
Crawley midget miner
克劳雷薄煤层采煤机
18.
The notch cut into a key that corresponds to such a ridge.
钥匙的榫槽钥匙上切割出的对应锁眼的凸槽