To lower the superheat of liquid steel, a water-coolednozzle is designed to be used into commercial run in the paper.
为了降低钢液的过热度，设计了一种水冷水口，使它能够应用在实际生产中。
2
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。
3
The spray-cooled mold is a new type of mold for continuous casting, The cast strandis cooled by water sprayed into the surface of copper plate with a special designed nozzle in the newmold.