Missing safety bolt caused turbine to continue turning at excessive speed while neighbouring turbines were shut down. The turbine was damaged.

当邻近涡轮机都停止工作的时候，由于丢失安全螺栓而导致一涡轮机继续以超额速度旋转，最终导致涡轮机坏掉。

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Safety bolt is set on the valve body, when the pressure in the cylinder is too high, safety diaphragm will burst automatically to ensure the safety accident cases, for the safety of the bottle.

瓶阀体上设安全螺栓，当气瓶内压力过高时，安全膜片将自动爆破泄压以确保意外情况下瓶的安全。

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The safety belt is easy to fit as there's no need to bolt it to seat belt anchorage points.

这种安全带很容易安装，因为不需要把它拴在安全带固定点上。

《柯林斯英汉双解大词典》

So here was the task: who would dive in there and open the bolt on the safety valve?

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