... 钻具上下活动：spudding action 钻具上紧螺纹装置：tool jack 钻具连接油管的接头：tools to tubing substitute ...
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He plans to use Jack as a bargaining tool against the CTU units to ensure his escape.
为了确保他能顺利逃脱，他准备使用杰克作为与反恐组行动队讨价还价的工具。
Nina tells Jack that she found six people with the name Kevin Carroll, and one does work for a machine tool company.
尼娜告知杰克，她找到有6个叫凯文·卡洛尔的人，其中一人的确是在机床公司做事。
Taking jack as an example, the selective principia of software tool and lectotype project was analyzed, the facture process of simulating water flow and enlarging sample for spring was presented.
并以千斤顶为例，分析了工具软件和选型方案的选择原则，给出了放样弹簧、模拟水流等的制作过程。
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