Residents heard an enormous bang as a safety valve on the boiler failed.

当锅炉的一个安全阀失灵时，居民们听到了一声巨响。

Crying is a natural safety valve.

哭泣是一种自然的释放压力的手段。

Exercise is a good safety valve for the tension that builds up at work.

锻炼身体是排解工作压力的好办法。

The analys is about the maximum safety valve load on each flare header.

这项分析和单个火炬头的最大安全阀负荷有关。

There is, admittedly, a safety valve.

可以说，有一种安全阀还是存在的。