查询词典 thread-cutting

Pattern for straight 180o installations using internal pipe threads and having double lead-thread stem control for rapid adjustment.

形阀，适用于垂直180o安装，采用内管螺纹，配置双引线-螺纹阀杆控制，调节更加快速。

However,"Her Groove Back side pumping Biyu Yin, Mei Liu draggle light gold thread."

但是，"嫩草方抽碧玉茵，媚柳轻窣黄金缕。"

Buy me some thread at the draper's shop.

到布店去给我些线来。

This is the dope for drill pipe thread. It can't be used for drill collar.

这是钻杆丝扣油，不能用在钻铤丝扣上。

As such, magnetic particle inspection for the screw thread of the drill collar is very necessary and important.

因而钻铤内外螺纹的磁粉检测十分必要和重要。

Drill collar thread ; finite element method ; stress ; structure optimization

钻铤螺纹；有限元；应力；结构优化

This paper systematically introduces the basic principle and advantages of magnetic particle inspection, the stress analysis of the oil drill collar and the magnetic particle inspection for the screw thread of the oil drill collar.

本文系统介绍磁粉检测基本原理及优点，石油钻铤的受力分析，石油钻铤螺纹的磁粉检测。

Stress-relief structure not in accordance with related standard and the stress situation would lead the thread root to be the weakest position of drill collar box.

结果表明，钻铤材料中MnS夹杂物超标，螺纹底部和牙侧存在腐蚀坑和加工划痕，这些缺陷的存在降低了钻铤的服役能力。

The bottom hole assembly failure caused by drill collar thread usually occurs during the air drilling.

在空气钻井中，经常发生由钻铤螺纹断裂引起的下部钻具组合失效事故。

According to the standards of the petroleum industry in China and the technical criteria and operation code designed by the JB/T4730.4-2005 for oil drill collar magnetic particle inspection, and upon conducting experimental inspections on oil drill collars according to this criteria and through the comparisons of ultrasonic testing results and theoretical analysis, it is found that this technical criteria is able to detect the defects of the screw thread effectively.

根据中国石油行业标准和JB/T4730.4-2005对石油钻铤设计了石油钻铤磁粉检测的工艺规范和工艺卡，并按此规范对石油钻铤进行实验探伤，通过对比超声检测的检测结果及理论分析，此工艺规范可有效的检测出钻铤螺纹部位的缺陷。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。