The bonding technique was applied in maintenance of hydraulic workover rig and drilling pumps too.

还介绍了在液压修井机和钻井泵维修过程的应用情况。

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By using Shengli No 3 offshore platform as an example, the importance and procedure of maintenance of the hydraulic systems of the top drive drilling rig are introduced.

以胜利三号平台为例介绍了顶驱钻机的维护系统及其重要性。

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The sales, maintenance and service of rotary drilling rig drill rod;

旋挖钻机钻杆的销售、维修、服务；

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The voice and gesture-controlled rig is targeted at maintenance engineers, the emergency services and other organisations.

BBC: Details of Google's Project Glass revealed in FCC report

On March 31, 2010, a Manhattan Grand Jury Indictment (originally filed under seal on February 18, 2010) was unsealed in which David Porath, a former owner of a maintenance and insulation company, was charged with engaging in a conspiracy to rig bids for NYPH contracts for re-insulation services, and for filing a false federal tax return in 2005 that substantially understated his income.

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