1.
Design for drawing out gas with high position boring at coal face
轻放工作面抽放瓦斯高位钻孔的设计
2.
Application and analysis on high level borehole gas drainage technology in mined-out area
采空区高位钻孔瓦斯抽放技术应用与分析
3.
Application of Gas Drainage in Fractured Zone by Roof High-level Boreholes in Daping Coal Mine
顶板高位钻孔裂隙带抽放在大平矿的应用
4.
The Optimized Study of Gas Taking out Parameters of High Position Boring of Taoyuan
桃园矿高位钻孔瓦斯抽放参数优化研究
5.
Application of Gas Drainage Technology by High-level Boreholes in Gas Control of the Working Face
高位钻孔抽放技术在工作面瓦斯治理中的应用
6.
Integrative Applications of High Level Boreholes for Gas Drainage and Fire Prevention and Extinguishing in Goaf
采空区高位钻孔瓦斯抽放与防灭火的一体化应用
7.
Applying Technology of High Drilling Drainage to Preventing Gas Accumulation at Upper Corner of Full-mechanized Mining Face
利用高位钻孔抽放技术治理综采工作面上隅角瓦斯积聚
8.
Study on axial vibration drilling to improve positioning accuracy
轴向振动钻削提高钻孔定位精度研究
9.
A Few Methods of Raising the Accuracy of the Location of Drilling a Hole for Fitters;
提高钳工实习钻孔位置精度的几种方法
10.
Application of Gas Extraction Technology by High-level Fracture Borehole in Fully Mechanized Caving Face of Thick Coal Seam
高位裂隙钻孔抽采技术在厚煤层综放面的应用
11.
Point-to-point systems are suitable for hole-machining operations such as drilling, countersinking, counterboring, reaming,Boring, and tapping.
点位系统适用于钻孔、锪孔、扩孔、铰孔、镗孔、攻丝等孔加工。
12.
Complications associated with pegging included peg hole drilled on an angle, drilling off center, drilled hole shallow, granuloma and infection, total complications occured in 22.2% in the review, most that are of a minor nature can be cured.
并发症有钻孔偏位、偏斜、孔浅、钻孔处慢性肉芽肿、感染等,发生率为22.2%.
13.
Numerical Simulation of Drilling Mechanism under Non-steady Cutting Conditions for Dills with Indexable Inserts;
可转位浅孔钻非稳态钻削的数值仿真研究
14.
Numerical Simulation of Cutting Forces Generated by Drills with Indexable Inserts and Optimization for Drill Parameters;
可转位浅孔钻钻削力数值仿真及参数优化
15.
Mark location of the holes for the opposite leg and drill three more holes.
标注出对面支柱的孔洞位置,并打钻出三个孔。
16.
Talking about the Hole-site Correcting Technology in Drilled Pile Construction on Granite Plagioclase Strata
花岗岩斜岩地层钻孔桩施工孔位纠偏技术
17.
A mathematical model of drilling in non-steady state for the drill with indexable inserts
可转位浅孔钻非稳态加工的数学模型
18.
Design of Locator for Drilling Hole Based on ARM Embedded System
基于ARM嵌入式系统的钻孔定位仪设计