Sub Entry Shroud bụ tube refractory dị elu arụpụtara site na usoro nrụgide isostatic, emebere ya maka njikwa nfe nke nchara a wụrụ awụ site na tundish ruo crystallizer, a na-ejikwa ya na usoro nkedo na-aga n'ihu na ụlọ ọrụ nchara.
