1) offset single cone bit
偏心单牙轮钻头
1.
Study of kinematics of offset single cone bit
偏心单牙轮钻头运动学研究
2) one-cone bit
单牙轮钻头
1.
A singular one-cone bit is designed.
讨论了一种新型单牙轮钻头——异形牙轮单牙轮钻头。
2.
In order to find out the best kind, we can give some good advice to the water system design of one-cone bit.
大量事实已证明单喷嘴和双喷嘴有好的净化效果,我们从中选出几种常用组合作分析,以便找出其中净化效果最好的组合,为改进单牙轮钻头水力系统设计提供合理方案。
3.
Because one-cone bit has the advantages of the three-cone bit and the PDC bit and it makes for their disadvantages, so the one-cone bit is the important chose to drill the small well.
随着钻探新技术的发展，开发深井和超深井技术要求钻头尺寸小型化，由于单牙轮钻头具有三牙轮钻头和PDC钻头的优点，同时又弥补了二者的不足。
3) core cone bit
牙轮取心钻头
4) disc onecone bit
盘式单牙轮钻头
1.
This paper established the model of rockbreaking mechanism on disc onecone bit, and developed the simulate software.
在适当的假设条件之下,建立了盘式单牙轮钻头破岩机理仿真模型,并在此基础上开发出盘式单牙轮钻头破岩机理仿真软件。
5) Study of Single Spherical Roller Bit
单牙轮钻头研究
6) roller bit
牙轮钻头
1.
Dynamic model of roller bit with nine degrees of freedom;
九自由度牙轮钻头动力学模型研究
2.
Computer simulation for the side-cutting of roller bits;
牙轮钻头侧向切削的计算机仿真
3.
Model to determine rock drillability by roller bit;
牙轮钻头可钻性级值的确定方法
补充资料：偏心
1.谓心存偏向，不公正。
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