1) new type of bits
新型钻头
2) new type inserted bits
新型镶嵌式钻头
1.
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
3) green bit
新钻头
4) new-type impregnated diamond bit
新型孕镶金刚石钻头
1.
A new design thought is presented to design a new-type impregnated diamond bit for drilling slipping formation with principal abrasive material and assistant abrasive material in the working layer of the bit.
在分析打滑地层特点的基础上,指出了钻进该地层所存在的问题,提出了用于打滑地层钻进的新型孕镶金刚石钻头的设计思路,在钻头工作层中采用主、辅两种磨料,并对这两种磨料的工作机理、处理工艺以及该新型钻头的制造进行了阐述。
5) Study on the New-type Multiple Drill Bit
新型复合钻头研究
6) green bit
新钻头，过热钻头
补充资料：大直径牙轮钻头
大直径牙轮钻头
大““钻头篡
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