查询词典 pack drill

This pressure must be under control, and we control it by means of the mud which we circulate down the drill pipe.

这种压力必须加以控制，而且我们控制压力的方法是把泥浆灌注到钻管中去。

The design of non-dig drill pipe end-upsetting product line autocontrol system were introduced in this paper.

介绍了非开挖钻杆管端加厚生产线自动控制系统的设计。

This paper is a part of research on a development drill pipe power tongs in well.

论文首先总揽了国内外钻杆动力钳发展的现状，并权衡了各种钻杆动力钳的设计理论和结构，结合现有生产技术，运用利用参数化设计方法进行系列产品开发，此方法缩短了产品开发周期，并可以直观设计结果，检验整体结构设计的正确性。

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 Company will have the domestic advanced oil drill pipe, oil casing production line of anti-corrosion coating.

本公司将拥有国内先进的石油钻杆、油套管内涂防腐生产线。

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。

It prevents any back-flow up the drill pipe.

它防止钻杆里的任何向上回流。

The principle of friction weld parameter measurement for drill pipe is introduced.

介绍了用MSP430F149单片机组成的石油钻杆摩擦焊接中的三个主要参数检测装置的原理、硬件电路、程序框图及部分源程序。

Translated Description: drill pipe products in China, the United States anti-dumping and countervailing investigations in the U.S.

Description：美国对华钻管产品进行反倾销和反补贴调查。

Drill pipe corrosion results from oxygen acting on metals.

钻杆的腐蚀来自氧对金属的作用。

Alternatively, the con- trollers can use the synchronous rectifier itself or loss- less inductor current-sensing methods to provide overload protection with lower power dissipation.

另外，康威特罗勒斯可以使用同步整流器本身或亏损减少电感电流检测方法，以提供低功耗过载保护。

Mr. Dauber's other Schatz hangs in his home movie studio.

多伯把沙兹的另一件作品挂在家里的电影室。