foot roller | 足辊 (Steel is fed from the ladle into a 17-tonne capacity tundish and, subsequently, via a submerged entry nozzle (Fig. 2), into a 1 -metre long vertical mold equipped with foot rollers. 钢水由钢包浇人到容量为 17t 的中间包,随后通过浸入式水口(图2)浇入带有足辊的长为 1m 的立式结晶器中。) |