查询词典 thread count

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。

This is the dope for drill pipe thread.

这是钻杆丝扣油，不能用在钻铤丝扣上。

I produced the drill pipe thread sealed lubrication of fat is good, easy to use, can apply to different depth and scope of various conditions, and other characteristics.

我公司生产的钻杆螺纹密封脂具有润滑性能好，使用方便，能够适用于不同的井深范围以及各种工况等特点。

This suggested Dubois and his two co-pilots were trying to thread their way through the storm manually.

这意味着杜波伊斯和他的两名副驾驶员试图线程的方式通过手动风暴。

Economic fish red snapper, two long-spine sea bream, golden thread fish, sardines, mackerel, blue round scad and cephalopods, sea snakes, oysters, pearl shell, sun, moon shell, dugong, etc..

经济鱼类有红笛鲷、二长棘鲷、金线鱼、沙丁鱼、竹荚鱼、蓝圆鲹以及头足类、海蛇、牡蛎、珍珠贝、日月贝、儒艮等。

Quote: Originally Posted by BruteGorilla When is SOC going to close the thread with his super duper comment on rest of the worlds credibility.

SOC什么时候会封了本话题，而且加上些他对全世界的信誉的超一流评论。

In order to gurrantee the quality of thread, dyeing absolutely not contain AZO dyestuff.

本公司为了保证线的质量，染色绝对不含AZO染料。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。