1) In pit crushing
坑内破碎
2) crater
[英]['kreɪtə(r)] [美]['kretɚ]
破碎坑
1.
The method of geometric modeling for the craters resulting from static indenting tests is important to computer simulation of rock bit penetrating and discussed through processing the data acquired from the tests.
根据实验结果提出了三类牙齿静压入破碎坑的几何模型 ,并简要介绍了通过破碎坑实验数据的处理获取几何模型特征参数的方法。
2.
The measurement and analysis of craters and bottom-hole pattern is an important link of drilling test and a key means of studying rock-breaking mechanism and valuating rock-breaking efficiency.
岩石破碎坑和井底的测量分析是钻头实验技术中的重要环节,也是钻头破岩机理研究和钻头性能评价的重要手段,而现有的测量分析方法精度或效率较低。
3.
However,because of lacking high efficiency and high precision for the measurement of craters on the conical surface rock,the traditional single row drilling experiment is carried out on planar rock.
由于缺乏对锥面岩石破碎坑的有效的、高精度的测量手段,所以传统的单齿圈试验都是针对平面岩样进行的。
3) internal crushing
内破碎
1.
75 m×18 m spherodizer with internal recyclting, internal screening and internal crushing is described.
8m带内返料、内筛分、内破碎装置的喷浆造粒干燥机 ,从“三内”技术分析入手 ,确定该设备基本结构及特点 ,介绍有关设计参数及使用情况。
5) tool breaking erratic in well
井内漂砾破碎器
1.
Based upon cavity effect of explosive, researching and manufacturing a tool breaking erratic in well and combining with wallscraper drilling resolved large diameter well completion technology in erratic stratum and improved drilling efficiency from several times to dozens times and quickened the speed of well completion.
利用炸药聚能效应原理 ,研制井内漂砾破碎器 ,结合扩取钻进的方法 ,解决了卵漂砾地层大口径成井难的技术问题 ,提高钻进效率达几倍至几十倍 ,加快成井速度。
6) fragmatome
白内障破碎器
补充资料：坑坑坎坎
1.坑坑洼洼，凹凸不平。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条