1.
KY-150 Type Rotary Drill Modified Running Gear
KY-150型牙轮钻机走行部改造
2.
Contact Analysis of Gear Transmission in Rotating Reducer of Blasthole Drills based on ANSYS
基于ANSYS的牙轮钻机回转机构齿轮接触分析
3.
bridge of the bit
四牙轮钻头牙轮支架
4.
Simulation model of drilling process of three-cone bit
三牙轮钻头破岩过程计算机仿真模型
5.
CAD system for three－cone bit
三牙轮钻头计算机辅助设计系统的研究
6.
STUDY OF THE LOAD ON THE JOURNAL BEARINGS OF THE TRICONE BIT BY THE METHOD OF ANALYSIS OF THE RANDOM PROCESS
用随机过程分析方法研究牙轮钻头轴承载荷
7.
Experimental Research on Working Performance of New Floating Ring Journal Bearings
新型牙轮钻头浮动套轴承工作机理试验研究
8.
cone type roller bearing rock bit
滚柱轴承锥形牙轮钻头
9.
Blast hole tricone rock bits
GB/T13343-1992矿用三牙轮钻头
10.
insert rock bit
镶硬合金齿牙轮钻头
11.
4.14 Drilling with cone (drag) bit in the section.
此段地层采用牙轮（刮刀）钻头钻进。
12.
Rotary drilling machine replacing downhole drill to accomplish controllable blasting of slope
牙轮钻取代边坡钻完成边帮控制爆破
13.
Research on the simulation of the tooth slippage of the cone bit
牙轮钻头牙齿滑移量规律的仿真研究
14.
Comparative analysis of drilling characteristics of dia- mond bits and roller bits
金刚石钻头与牙轮钻头钻井特点对比分析
15.
foot engine with electric motor
牙科脚踏电动二用钻机
16.
engine ,drill, dental, with swivel arm
牙科钻机,带旋转杆
17.
Application of Roller Bit Combination Drilling Technology in Nappe Strata of Qingxi Oilfield
牙轮钻头复合钻进在青西推覆体地层的应用
18.
Drilling with cone( drag) bit in the section.
此段地层采用牙轮（刀）头钻进。