The influence of vacuum cooling on the quality of cooked beef was studied as compared with conventional cooling methods including air-blastcooling and slow-air cooling.
本实验研究了真空冷却方式与冷风冷却，自然冷却方式对白煮牛肉品质的影响。
2
The principle and characteristics of KQDL series cupola which supply blast using aircooling, strengthening preheating and single row cyclone were discussed.
论述了“KQDL系列冲天炉”采用空气冷却、强化预热、单排龙卷风供风原理和特点。
3
In the process of cooling of the HEJ the cold air is changed into hot blast and...