A bigger bolt nut must match the larger, which means that larger diameter bolts need to create conditions on the tight nut.

而更大的螺栓就要匹配更大的螺母，这就意味着需要直径更大的螺栓为上紧螺母创造条件。

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Stress relaxation should be taken into consideration while designing tight bolt connection under a high temperature. The paper discusses the calculation thought and solution about stress relaxation.

在高温环境下有紧密性要求的螺栓联接，在设计时应考虑应力松弛。讨论了关于应力松驰问题的计算思路和解决方法。

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The method is employed for the optimal design for tight joints of ordinary bolt set on a hydraulic cylinder.

并用该法对液压油缸的普通螺栓组紧联接进行了优化设计。

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Summing up at the inquest Mr Ridley said the front brake suffered a "complete catastrophic failure" due to the pinch bolt "more likely than not being sufficiently tight" and causing the cantilever not to function at all.

BBC: Kadian Harding