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ｌ影响产品质量的主要工艺因素及其控制１．ｌ对原料的要求原料是优质产品的基础，而原料能否纯净主要取决于钢水的脱氧、精炼和再氧化。这一点对于尺寸断面很小的薄板坯显得尤为重要。因为钢水中固体夹杂物的集聚容易堵塞非常细小的水口，钢水流人结晶器不畅，造成液面控制困
l main product factors affecting the quality of the process and control 1. l Requirements for Raw Materials Raw materials are the basis for high-quality products. The purity of raw materials depends mainly on the deoxidation, refining and reoxidation of molten steel. This is particularly important for thin slabs of small size and profile. Because molten steel in the accumulation of solid inclusions easily clogged with very small nozzle, molten steel flow mold poor, resulting in liquid level control difficulties