浸入式水口 submerged nozzle ; SEN ; Submerged Entry Nozzle ; pouring tube

熔融石英浸入式水口 fused quartz immersed nozzle

X形浸入式水口 X-Shape Submerged Nozzle

浸入式水口快换 Quick change for submerged nozzle

两孔浸入式水口 Two-Side Hole Immersed Nozzle

两侧孔浸入式水口 two side immersed nozzle