cooling condition(This study focuses on events that can induce variable cooling conditions in the meniscus region of the mold and attempts to explain the variability in the severity and orientation of rhomboidity during a heat. 本研究将视角集中于那些能在结晶器金属弯月面区域引起冷却条件变化的因素，并尝试解释在一炉浇注期间菱形变形的程度与方向变化。)
