In the paper, the transverse dynamic stiffness curves of front shaft bracket and back shaft bracket of a ship were obtained by means of experiments.

采用实验方法对某舰尾轴架进行动刚度测量，得到了前尾轴架和后尾轴架的横向动刚度曲线。

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This paper deals with the principle about a new environmental protection type of bicycle sweeping away rubbish and the structural design of back shaft about the bicycle.

介绍了一种新型保洁清扫自行车的工作原理，并提出了后轴结构设计方案。

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The shaft drilled for the probe that made contact can be used to send them food, clean water and medicine. But rescue workers still have to decide how to bring back them to the surface.

那个之前钻好用来放置探针进行交流的通道现在可以被用来往矿下递送食物，清洁的水和药物，但是如何将他们带上地面仍是一个问题。

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The spoil is put into the train and taken down the tunnel and back through the shaft into trucks.

BBC: London's underground boring renaissance