The main factors that affect the grain refinement are heating and cooling rate, holding time and cycle index.
影响细化效果的主要因素有：加热速度、保温时间、冷却速度和循环次数。
2
This paper presents the calculation of cooling load of the skating rink under different conditions, and studies on the estimate index of cooling load and the selection of equipments.
本文介绍了溜冰场在不同情况下的制冷负荷分析计算，得出滑冰场的负荷估算指标并对设备的选型进行探讨。
3
Optinal Parts: Dragon Gate height, index head, cooling system.