jewelled shockabsorber

用法例句

Development and application of integral mechanical jar while drilling;

QJ159A整体机械式随钻震击器的研制及应用

To solve this problem,QJ159A integral mechanical jar while drilling is developed.

针对液压式、机械式随钻震击器因密封材料受介质腐蚀和井底高温的影响,技术性能不稳定,使用寿命低的问题,研制了QJ159A整体机械式随钻震击器。

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

machine set bit

机镶细粒金刚石钻头

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

low temperature electroplated synthetic diamond impregnated bit

低温电镀人造金刚石孕镶钻头

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

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

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 the Special Impregnated Diamond Bits for Jinchuan Mine;

适合金川矿区的特种孕镶金刚石钻头研制

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

Optimization design and test of nonsmooth ratio of bionics impregnated diamond bit

仿生孕镶金刚石钻头非光滑度优化设计及试验

Elementary Study on Self-lubricating Matrix Material for Impregnated Diamond Bit

自润滑孕镶金刚石钻头胎体材料初步研究

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

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

Research on Diamond Enhanced Tungsten Carbide Composite Button and Its Bits;

金刚石—硬质合金复合齿及其钻头的研究

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