depth of penetration(【技】侵人深度：从浸人式水口流出的钢水流股侵人连铸坯液相穴的深度。侵人深度大，把夹杂物带人液相穴深部，使其上浮困难，直接影响铸坯质量。结晶器电磁制动能有效降低流股的侵人深度，提高铸坯纯净度。: Braking the steel jets from the submerged entry nozzle reduces the depth of penetration of the steel down into solidifying slab. 对从浸人式水口流出的钢水流股进行制动会减少钢流向下侵人凝固板坯的深度。)
porous argon purged tundish nozzle(The company has addressed this problem of alumina clogging in tundish nozzle with porous argon purged tundish nozzles. 该公司已采用透气型吹氩清洗中间包水口，解决了中间包水口 Al₂O₃ 堵塞难题。)
