Finally, Dad turned off the stove, the pot began to cool and the pressure relief valve sprayed out a cloud of steam.

最后，爸爸关上了炉子，锅开始降温，然后解压阀喷出了一股水汽。

Automatic pressure relief during annealing process.

在退火过程中自动进行泄压。

Do not plug the temperature and pressure relief valve.

不要把降温减压安全阀塞住。

The appearance of oxygen and pressure relief valve works.

氧气减压阀的外观及工作原理。

Pressure relief devices are integral parts of the cylinder valves.

它们是钢瓶阀门整体的一个组成部分。