High and low temperature difference of cooling rate is based on the cooling water temperature and the cavity arising from temperature difference t t relative to cool faster and faster
High and low temperature cooling rate is based on the difference between the cooling water temperature and the cavity temperature difference △ T generated, △ T, the faster the greater the relative cool
The cooling rate difference between high and low temperature is based on the difference of T cooling water and the cavity temperature generated by delta T is relatively cool faster