drill studs

The pattern specialty of new type inserted bits and their main technical specifications and application cases are introduced following the drilling techniques and rock characteristics of continental scientific drilling.

结合大陆科学钻探岩性特征和钻进工艺 ,介绍了新型镶嵌式钻头设计的结构特点、主要技术参数和现场应用情况 ,较好地解决了硬岩、深孔的取心钻进问

double taper bit

两层镶嵌刃取心钻头

On how to Make Rational Use of Impregnated Diamond Core Bit: A Brief Introduction of a New Series of Drilling Bits Manufactured by the Longyear Co.

如何用好孕镶金刚石取心钻头——长年公司新系列钻头简介

Image segmentation of protruded diamonds on impregnated bits by fuzzy clustering algorithm

基于模糊聚类算法的孕镶金刚石钻头出刃图像分割

Development and Application of Wire-line Coring Bit for Hard and Compact Rock Formation

坚硬致密岩层用绳索取心钻头的研制与应用

Study on Impregnated Diamond Bit's Optimal Design for Hard Formation

适合坚硬地层孕镶金刚石钻头优化设计研究

Research and Application of Diamond-impregnated PDC Bit or Drilling in Medium Hard Rock Formation

中硬岩层钻进孕镶金刚石复合片钻头的研究与应用

bit cutting angle

钻冠的尖度，钻头磨角，钎子头刃角

machine set bit

机镶细粒金刚石钻头

diamod-enhanced hammer bit

金刚石镶齿震击钻头

insert polycrystalline diamond bit

聚晶金刚石镶齿钻头

insert natural diamond bit

天然金刚石镶齿钻头

insert rock bit

镶硬合金齿牙轮钻头

sintered tungsten carbide compact bit

镶碳化钨硬合金齿钻头

Development of core drill equipment for combined underwater drill rammer of rock built-in pile hole

嵌岩桩孔组合潜孔锤取心钻具的研制

Improvement of Drill Point Geometry for Drilling High Manganese Steel ZGMn13;

钻削高锰钢ZGMn13钻头刃形改进研究

Influence of Drill's Edge Preparation on Drilling of 42CrMo

钻头刃口处理对钻削加工42CrMo的影响

A decorative inlaid pattern in a surface, especially a mosaic worked in wood.

细木镶嵌装饰面里装饰性的镶嵌图案，尤其是木头中的镶嵌图案

The crown was beset with diamonds and jewels.

皇冠上镶嵌着钻石和珠宝。