The steam is cooled by the cold engine nozzle, condensing and eventually freezing at the nozzle exit to form icicles.
热蒸汽被喷口边缘冷却、压缩并最终形成了喷口边缘的冰柱。
2
The steam engine is designed to be a "closed-loop" system, in which water escaping from the cylinders through the exhaust valves is captured and cooled in a condensing unit.