查询词典 viscin thread

Angle valve for 90o installations using internal pipe threads and having double lead-thread stem control for rapid adjustment.

角阀，适用于90o安装，采用内管螺纹，并且配置双引线-螺纹阀杆，调节更加快速。

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。

He's a pretty westernised kind of guy.

他是一个非常西化的人。

National spirit is the moral kingpin for a nation to realize common ideal and goal.

一、中华民族精神的基本内涵党的十六大报告指出：在五千多年的发展中，中华民族形成了以爱国主义为核心的团结统一、爱好和平、勤劳勇敢、自强不息的伟大民族精神。