1.
Research on Bionic Coupling Diamond Coring Bits in Drilling Hard Rock

硬岩钻进用仿生耦合金刚石取心钻头研究
2.
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
3.
Researches and Applications of Compound Diamond Core Bit with Sintered Body

混合型金刚石烧结体取心钻头的研制及应用
4.
Diamond core drilling equipment--Wire line system

GB/T16951-1997金刚石绳索取心钻探钻具设备
5.
machine set bit

机镶细粒金刚石钻头
6.
diamod-enhanced hammer bit

金刚石镶齿震击钻头
7.
diamond-particle bit

潜铸型细粒金刚石钻头
8.
insert polycrystalline diamond bit

聚晶金刚石镶齿钻头
9.
insert natural diamond bit

天然金刚石镶齿钻头
10.
diamond content

钻头上金刚石的克拉数
11.
polycrystalline diamond compact bit

聚晶金刚石复合片钻头
12.
polycrystalline diamond compound bit

多晶金刚石复合钻头
13.
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
14.
Diamond core drilling equipment conventional system

GB/T16950-1997金刚石岩心钻探钻具设备
15.
Experimental study of diamond impregnated drilling bit enhanced with CVD diamond pins

CVD金刚石条强化孕镶金刚石钻头的试验研究
16.
A form of opaque or dark-colored diamond used for drills.

墨金刚石一种不透明的或深色的钻石,用作钻(头)
17.
Chip Removal Regularity and Bit Face Shape Selection in Impregnated Diamond Bit Drilling

孕镶金刚石钻头的排屑规律与钻头唇状选择
18.
A new type of thin-wall diamond core drill bit for replacing concrete sleeper bolts

铁路混凝土轨枕硫磺锚固螺栓拔出用金刚石取芯钻头