查询词典 boring

Based on the classical theory of elasticity, an expression is derived for the radial stiffness of annular rubber in the dynamical vibration absorption boring bar.

基于弹性力学经典理论，给出了内藏式动力减振镗杆中环形橡胶径向刚度的计算公式。

In the process of drilling,the slurry which is poured into from the boring bar can carry rock fragments from shaft bottom.

在钻井过程中，泥浆从钻杆注入井底，携带岩屑，在钻井完成后，总会产生一部分过剩的或者废弃的泥浆。

I didn't have any lathe tool material to grind my boring bar from as the book recommends so instead I used a piece of hardened steel off a thread cutting tap.

我没有任何车床刀具材料磨镗杆从我的书建议做，而不是我使用过1线切割自来水的淬火钢件。

Combining with National Natural Science Foundation of China -"Research on theory and technique of magnetorheological intelligent boring bar with self-chatter-suppression" NO.

本论文结合国家自然科学基金项目&基于磁流变液自抑振的智能镗杆构件理论与方法研究&(No.50405036)，开展了基于磁流变自抑振智能镗杆的颤振控制技术研究。

Finally, the experimental setup of MR intelligent boring bar was built on the CA6140 type lathe. The experimental results show that the method can suppress the chatter efficiently and can improve the surface quality of workpieces significantly, whose roughness has decreased from 10 μm to 1.5 μm.

最后，在车床CA6140上搭建了磁流变智能镗杆的颤振抑制实验系统，实验结果表明，变结构刚度方法能够快速高效地抑制镗削过程中产生的颤振，并且使加工表面的粗糙度Ra从10μm降至1.5μm，大幅度提高了加工表面质量。

If a bored hole is chattering because of an overextended boring bar don't expect the machine to correct the fault.

如果由于镗刀杆伸出过长导致镗孔加工出现振动，那就不要指望机床能修复这种故障。

Tunnel ; tunnel boring machine; precast block of inverted arch ; mechanical characteristics

隧道； TBM ；仰拱预制块；力学特性

The design combination boring head is for enhances the box body the processing precision and the efficiency.

其中设计专用夹具和组合镗头的应用进一步提高箱体的加工精度和效率。

The Orchid again and when that gets boring we can head back to the beach.

等在那里呆腻了。可以再回到沙滩。

According to the needs of technology and processing, we should design four special boring head which is two side by two side.

根据工艺和加工的需要，两两并排设计4个专用的镗削头。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。