Through the failure analysis of connecting bolt of down rod, it points out that it is not correct to put the thinner nut outer side if the double nut anti-loose method is adopted.

通过对游梁式抽油机对接式连杆下接头连接螺栓的失效分析，指出了采用双螺母防松时，将薄型螺母放置在外侧是不恰当的。

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He looked down to relieve the pain of his neck, and stared at the rusty chain at his feet, which coiled around a metal rod.

他低下了头来缓解脖子的疼痛，眼睛停留在脚下生锈的铁链上，那铁链绕在一根金属杆上。

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Then came steel strings, and that led to the lap guitar—which is also called the steel guitar because the player slides a steel rod up and down the neck.

然后出现了钢丝弦，接着膝上吉他就诞生了。膝上吉他也被称为钢吉他，因为演奏者会在琴颈上下滑动一个钢棒。

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But when pushing A-Rod down from 3rd to 5th in the lineup for Game 4 failed to produce more productive yields, Coach Girardi had given his big dog the last bone of this particular series.

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He couldn't believe how strong she felt, how much pressure she put on his wrists when, with a jolt, she pulled his rod tip almost down into the water.

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Cheshire East Council's environment portfolio holder Rod Menlove said stepping down from his portfolio was his "only honourable course of action".

BBC: recycling centre at Lyme Green