1.
Light Drills Digs "Three soft" Coal Bed Coal Lane Tunneling Application
轻型钻掘机在“三软”煤层煤巷掘进中的应用
2.
engineering boring and drilling devices
工程钻探和掘进机械
3.
Study on the Solid Controlling System of Light Modular Ocean Drilling Machine
轻型可搬迁式海洋模块钻修机固控系统研究
4.
The men dug the oil well by Boring through the ground with huge drills
工人使用巨大钻机钻透地层挖掘油井。
5.
A hand - held machine for drilling rock and breaking up pavement, operated by compressed air.
手挂式风钻，轻型凿岩机通过压缩空气运转的钻岩石、挖隧道的手持机器
6.
The Development of the Light Hydraulic Driven Coring Drill and Tools for Soft Sediment;
轻便型松散（软）地层原状取心全液压钻探机具的研制
7.
Research on the Dynamics of the Airborne Roof Bolter on EBJ-160 Roadheader
EBJ-160掘进机上机载锚杆钻机的动力学特性研究
8.
Discussion about Realizing Driving and Bolting Integration with Airborne Roofbolter
机载锚杆钻机实现掘锚一体化的几点思考
9.
The Dynamic Analysis on Drilling System of ZY-200 Type Rotary Drilling Rig;
ZY-200型旋挖钻机钻挖系统动力学分析
10.
The Extend Function of Z3040 Radial Drilling Machine--the Drilling-Milling Body
Z3040型摇臂钻床扩展功能——钻铣机构
11.
pack-sack diamond drill
可背运的轻便金刚石钻机
12.
Research on the Working Patterns of Longitudinal Axial Roadheader's Drilling and Parameters Optimization;
纵轴式掘进机钻进工况及其参数优化的研究
13.
Research on Drilling and Driving Hydraulic Drive System of Forpoling Rig
管棚钻机掘进与行驶液压驱动系统研究
14.
The Finite Element Analysis on Support Frame Machine of NR22 Type Rotary Drilling Rig;
NR22型旋挖钻机钻挖支撑机构有限元分析
15.
A driver of mules.
轻型拖拉机手开轻型拖拉机的人
16.
easing the bit in
钻头轻压慢转钻进地层
17.
This new model of drilling machine can bore through solid rock ten metres deep.
这台新型钻机能钻透十米厚的坚固岩石。
18.
For connecting the different type of spindle of drill with the drill bits.
用于不同型号钻机的主轴与钻头的联接。