The second shaft is rotatable via the test element during normal operation of the joint.

在接头正常运行过程中，上述第二轴可通过测试元件进行旋转。

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When the first shaft is inoperable, the second shaft handles loads acting on the articulation joint, and is not rotatable via the test element, thus indicating a failure of the first shaft.

当第一轴不起作用时，上述第二轴处理作用在铰接接头上的负载，并且因此不能通过测试元件旋转，这样指示所述第一轴出现故障。

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When I pushed on the harpoon shaft the second time.

那是在我第二次握着鱼叉的柄扎进去的时候。

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The inquest heard that the lift had not arrived on the second floor and Ms Lewis and carer Carole Conway fell 20ft down the empty shaft.

BBC: Pontcanna House