逸出

rú guǒ xì tǒng guò rè pái fàng kǒu kě shǐ zhēng qì yì chū

如果系统过热，排放口可使蒸汽逸出。

Vents allow any steam to escape if the system overheats.

yì chū cháng guǐ

逸出常轨

break bounds