钻杆

On the basis of that,the structure and function of a new Russian drill pipe flaw detector with electricity bow wave are introduced.

概述钻杆柱疲劳裂纹检测的意义和在电涡流传感器原理的基础上，介绍了俄罗斯专家开发的新型电涡流式钻柱无损探伤仪的组成结构，功能。

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。

In drill ing exploration and well drill ing Industry, the drill ing pipe and drill collar are key apparatus.

例句1。钻杆和钻铤等管状螺纹连接件，是钻探和石油钻井工业中的关键设备。

We applied high quality of steel from Japan and the United States for raw materials , oil drilling industry as market, advanced technology and equipment as means, financial support as backing to rapidly grow up as a integrated enterprise with a large scale of production and marketing channel for oil casing, pipeline , drill pipe, drill collar, refinery tubing etc.

我们以日本、美国的优质钢材为原材料，以石油钻采行业为市场，以先进的技术装备为手段，以金融界的资金支持为后盾迅速发展成为可以大量生产和供应油套管、管线管、钻杆、钻铤、炼化管等产品的综合性企业。

This is where the drill pipe and collar slips seat when the drill string is suspended from the rotary table for connections or tripping pipe.

当钻柱为了对接或起下钻而悬挂在转盘上时，其为钻杆和吊卡坐放位置。

Fit the rig tongs with the correct jaws for the drillpipe tool joint or the drill collar.

使用适合钻杆接头或钻铤的合适钳头，使用后，安全锁定弹簧要归位。

This is the dope for drill pipe thread.

这是钻杆丝扣油，不能用在钻铤丝扣上。

The main products: geological accessories; drill, drill gear; mud pump, mud pump accessories; and drill pipe, joint locks, consisting mainly of drilling materials, to pull the drill pipe, casing pliers, Bocha, consisting mainly of drilling pad fork Tools; series of geological accessories ......

主要产品：地质配件；钻机，钻机齿轮；泥浆泵，泥浆泵配件；和以钻杆，锁接头，为主的钻探材料；以钻杆钳子，套管钳子，拨叉，垫叉为主的钻探工具；等系列地质配件。。。。。。

Tail the drillpipe with a rope as it swings through the V-door.

因为钻杆经过井架大门坡道时来回摆动，要在钻杆上拴上尾绳。

This paper summarizes the research and development situation on the following aspects: the significance and the basic theory of fitness-for-service assessment of drill pipe, the methods dealing with the undetermined problems during the assessment, prediction for fatigue service life of drill pipe, and so on.

本文对钻杆适用性评价的意义、基本原理、评价中处理不确定性问题的方法、钻杆疲劳寿命预测等方面的研究进展情况作了综述。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。