探讨了不同初始温度、果实大小、成熟度及不同瓜水体积比例对甜瓜预冷速度的影响。
The effects of original temperature, fruit size, maturity and melon to water volume ratio on pre-cooling efficiency of muskmelon in well water have been discussed.
针对气体车间制氮装置预冷空气温度过高的问题，提出了利用冷媒水降低预冷空气温度的措施及工艺改造方案，并对空气冷却器的工艺计算做了较详细的介绍。
Since the pre cooling air temperature of nitrogen unit is too high, the measure and process design scheme for using the refrigerant water to reduce the pre-cooling air temperature are recommended.
掌握液舱温度在预冷过程中的变化规律是制定安全经济的预冷方案的基础。
Grasping the temperature distribution of cargo tank during the pre-cooling is the basis of making a safe and economic pre-cooling plan.
掌握液舱温度在预冷过程中的变化规律是制定安全经济的预冷方案的基础。
Grasping the temperature distribution of cargo tank during the pre-cooling is the basis of making a safe and economic pre-cooling plan.
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