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.

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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.

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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.

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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。

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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.

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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.

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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.

汉英文学 - 骆驼祥子

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.

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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。

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Computer Simulation of Drill String, Bit and Rock System

钻柱、钻头与岩石系统计算机仿真

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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

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Diagonal cut rock drill plus bits cross-bladed chisel bit

对角十字形岩石钻头

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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

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Rock like meat bit.

蔓克有一点喜欢肉.

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