1.
Development of ZDY4000L Track-mounted Hydraulic Tunnel Drilling Rig
ZDY4000L型履带式全液压坑道钻机的研制
2.
ZYW-1200 Full Hydraulic Tunnel Drilling Rig in Coal Mines
ZYW-1200型煤矿用全液压坑道钻机
3.
Application of BP neural network in fault diagnosis of full hydraulic drilling rig
应用BP神经网络诊断全液压坑道钻机故障
4.
Analysis of oil pollution and control measures for all hydraulic tunnel drilling rig
全液压坑道钻机液压系统污染分析与控制
5.
Study on Fuzzy Control System of Test Bench for Tunnel Drilling Rig Performance
坑道钻机性能试验台模糊控制系统的研究
6.
Strength Analysis of Screw Sufface and Structure Parameters Study of Auger of Mounted Hole Digger
挖坑机钻头螺旋面强度分析及结构参数探讨
7.
Research on Simulation and Mathematical Interpretation of Dynamic Process to Earth Auger for Tree Deep Planting;
深植挖坑机钻头动态过程数学描述与仿真研究
8.
Prospecting Implementation of Drills Replaced by Pit and the Combination of Pit with Drills in the Mine
以钻代坑及坑钻组合探矿方式在矿山的实施
9.
ventilation and drainage of exploratory tunnel
坑探勘探坑道通风排水
10.
To bore(a shaft) with a trepan.
钻用钻井机钻（矿井）
11.
Red squirrels disappear inside trees, frogs go deep under the mud, and many other animals dig tunnels in the earth.
红松鼠藏到树里面去了; 青蛙钻入泥土的深处. 而许多其它的动物,则在地里挖坑道。
12.
tunnels in the earth
红松鼠藏到树里面去了；青蛙钻入泥土的深处。而许多其它的动物，则在地里挖坑道。
13.
Mathematical Model for Rapidly Confirming the Work Quantity of Crater on Runway;
机场跑道可见弹坑工程量快速确定模型
14.
high-thrust drill
强力钻机，高推力钻机
15.
Special drilling or adits outside orebody may be required.
可能要求在矿体外作专门钻探或坑探。
16.
a deep hole or shaft dug or drilled to obtain water or oil or gas or brine.
钻的为了获得水、油、气体或盐水的深坑。
17.
kelly for well-drilling machiens
旋转钻孔,钻井机用
18.
churn-type percussion drill
无游梁绳式顿钻钻机