We can provide various types of drill pipe joints as customer's demand. All mechanical properties are beyond API standard.

我公司可按用户的要求提供各种型号的钻杆接头。各项力学性能均完全超过API标准要求。

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This paper mostly studies the spiral configuration of the country standard twist drill concretely.

本文主要对国家标准麻花钻螺旋的结构作具体分析和研究。

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The standard pipe rack configuration for this drill consists of a long pipe cradle that is fastened to a pair of parallelogram- type swing arms.

本钻机的标准管架配置由一个长管道托架组成，该托架被固定在两个平行四边形的旋臂上。

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For first time founders, who Harris says often struggle with understanding the maximum value of the dangling carrot of stock options, he laid it out quite simply: the standard drill is a one year cliff for new employees after which stock options can begin to vest monthly or annually.

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It was a standard practice with drill work and finished with short-yardage scrimmages as the days wind down before Saturday's annual spring game.

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