Table movement is controlled by bolt with scale.

平移台的移动由带有刻度的螺拴控制。

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Cover is fixing on the tube plate with some sealed gasket by bolt.

端盖用螺栓将它们固定在管板上并加入垫片密封。

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Install new lower barrel, place new snap ring and new flange on the new lower barrel, fixed by bolt nut.

安装新埋管，把新卡环和新法兰套进新埋管里，用螺栓螺母与法兰固定。

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Bolt shattered his old mark by 11-100ths of a second to set the new world record of 19.19 seconds.

VOA: standard.2009.08.21

He can take another step in that direction Saturday when the Jamaican four-by-100 relay team is expected to give Bolt a chance for his sixth straight gold.

VOA: standard.2009.08.21

However, that was dismissed by Bolt's agent Ricky Simms, who said in January that the 23-year-old would probably miss Delhi to focus on London 2012 as well as the World Championships in 2011 and 2013 and this year's Diamond League meetings.

BBC: Usain Bolt to miss Commonwealth Games, says coach

One of three women who were killed in Bradford died from severe head injuries caused by the bolt from a crossbow, an inquest has heard.

BBC: Bradford woman 'killed by crossbow bolt and knife'

Few Americans harbor irrational fears about being killed by a lightning bolt.

CNN: And now, only one senior al Qaeda leader left