boartz

machine set bit

机镶细粒金刚石钻头

diamond-particle bit

潜铸型细粒金刚石钻头

diamond pattern

钻头金刚石颗粒的排列型式

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

diamond content

钻头上金刚石的克拉数

polycrystalline diamond compact bit

聚晶金刚石复合片钻头

polycrystalline diamond compound bit

多晶金刚石复合钻头

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

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

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）

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

low temperature electroplated synthetic diamond impregnated bit

低温电镀人造金刚石孕镶钻头

STUDY ON THE NEW METHOD OF DRILLING CONTROL OF IMPREGNATED DIAMOND BIT

孕镶金刚石钻头钻进控制新方法的研究

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

Researches on drilling CFRP(carbon fiber reinforced plastics) with diamond electroplated drill bit

电镀金刚石钻头钻削碳纤维复合材料研究

Study on matrix performance of iron-based diamond bit and drilling tests

热压铁基金刚石钻头胎体性能及钻进试验研究