1.
high-thrust drill
强力钻机，高推力钻机
2.
The Strength and Modal Analysis of GCF-1500 Impact Drilling Machine Tower;
GCF-1500冲击钻机钻塔强度与模态分析
3.
engine mud sill
钻机动力机下纵向底梁
4.
Study on Dynamic Characteristics and Failure Mechanism of Drill String in Air Drilling
气体钻井钻柱动力学特性及钻柱失效机理研究
5.
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
6.
stripping in and out of the hole
用防喷器在压力下强行起下钻
7.
Dynamic Analysis on Tunneling Support System of the ZY-220 Rotary Drilling Rig;
ZY-220型旋挖钻机钻挖支撑系统动力分析
8.
Research on the Breakage Mechanism of Micro-drills and Drilling Forces Online Monitoring
微钻头折断机理及钻削力在线监测的研究
9.
To bore(a shaft) with a trepan.
钻用钻井机钻（矿井）
10.
Analysis of force state for adjustment drill frame of roof bolter
锚杆钻机立面变角机构受力状态分析
11.
Theoretical and Experimental Research on Reverse Circulation Constant Sampling and Powerful Compressed Air Spurting Drilling Technology;
反循环强力气体喷射钻进技术理论及试验研究
12.
Analysis and Calculation of Static Stress of Rig Derrick by CAE Software;
应用CAE软件分析计算钻机井架静应力
13.
Properties Research on the Hydraulic Tools of the New Type of Water-saving Drilling Technology;
新型节水钻探技术水力机械特性研究
14.
Thinking on improving the international competitiveness of domestic drilling rig;
关于提高国产钻机国际竞争力的思考
15.
Research on Optimization Design for Power Unit of Full-Driller
全液压车载钻机动力头优化设计研究
16.
The Static Analysis on Structure of ZJ70DZ Rig under Working Condition
ZJ70DZ型钻机工作工况下结构静力分析
17.
Mechanics Analysis of Crank-Connecting Rod in Drilling Pump
钻井泵曲柄连杆机构的受力分析研究
18.
THE NUMERICAL SIMULATION ANALYSIS OF RAISING THE DERRICK FLOOR
ZJ70DB钻机底座起升过程力学分析