In any heat-treating operation the rate of heating is important.
在任何热处理作业中，加热的速率都是重要的。
When the heating rate was fast enough, the iron joined crystal could be formed.
只有当加热速率足够大时才会导致铁连晶的形成。
The heating rate only has influence on the uniformity of the crystal dimension.
加热速度仅影响到等轴晶粒的均匀性；
Shortly after heating began, it was clear that the rate of heating was insufficient.
不久后暖气开始，很明显的速度加热是不够的。
The initial shrinkage temperature and the shrinkage change little with the increase of heating rate.
升温速率增大，坯片开始收缩的温度及收缩率几乎不变。
The initial shrinkage temperature and the shrinkage change little with the increase of heating rate.
升温速率增大，坯片开始收缩的温度及收缩率几乎不变。
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