rock bit的例句大全

Diameter controlling is of great importance in rock bit manufacturing.

保证三牙轮钻头的直径是钻头制造工艺的重点.

Design calculation process as well as machining technology of rock bit are detailed introduced.

详细介绍了104牙轮钻头的设计计算过程和加工工艺.

This paper analyses the factors that affect the contact stress of rock bit journal bearing.

文章分析了牙轮钻头滑动轴承接触力学性质的影响因素.

After a brief description of the design feature and rock breaking mechanism of the disc one cone bit, the rock breaking process, test data and dynamic curves of a rock penetration test on a gritstone are introduced in detail.

在简述盘式单牙轮钻头的结构特点和破岩机理的基础上，详细介绍了这种钻头在资中重二砂岩上进行台架试验的破岩过程、试验数据和动态曲线。

A drill bit used for obtaining core samples in concrete or rock formations.

钻头被用来在水泥或岩层获取岩芯样品.

The results of field tests proved that PDC anchor bit is ideal in mid-hard rock drilling.

现场试验结果表明,PDC锚杆 钻头是钻进中硬岩层的理想钻头.

He deliberately jerked the shafts to rock him a bit.

他故意的上下颠动车把,摇这个老猴子几下.

I also like a bit of alternative music, and a little rock music.

我也蛮喜欢另类音乐及摇滚乐.

Practitioners would use a mallet, chisel and metal straight edge to create a flat surface in the stone or rock. It wasn't until the 20th century that things changed a bit.

习艺人会用木槌、凿子和金属直边工具在石块或岩石上塑造平面，手艺代代相传，直到20世纪机器的出现。

Computer Simulation of Drill String, Bit and Rock System

钻柱、钻头与岩石系统计算机仿真

Research onto the crowned design of rock bit cylindrical roller bearing

牙轮钻头圆柱滚子轴承的凸度设计研究

Diagonal cut rock drill plus bits cross-bladed chisel bit

对角十字形岩石钻头

Lab experiment on rock mechanics for thrust block formation interval at mountain front structural belt and bit optimization

山前构造带推覆体段岩石力学实验及钻头选型

Rock like meat bit.

蔓克有一点喜欢肉.